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Apomixis in the angiosperms. II

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Bibliography

  • Åberg, E. 1940. Viviparous forms ofAgrostis. Ann. Agr. Coll. Sweden8: 461–463.

    Google Scholar 

  • Afzelius, K. 1924. Embryologische und zytologisch Studien inSenecio und verwandten Gattungen. Acta Hort. Berg. 8: 123–219.

    Google Scholar 

  • — 1928. Die Embryobildung beiNigritella nigra. Svensk Bot. Tidskr.22: 82–91.

    Google Scholar 

  • — 1932. Zur Kenntnis der Fortpflanzungsverhältnisse und Chromosomenzahlen beiNigritella nigra. Svensk Bot. Tidskr.26: 365–369.

    Google Scholar 

  • — 1936. Apomixis in der GattungArnica. Svensk Bot. Tidskr.30: 572–579.

    Google Scholar 

  • Akemine, T. 1935. Chromosome studies onHosta. I. The chromosome numbers in various species ofHosta. Hokkaido Imp. Univ., Jour. Fac. Sci. V.5(1): 25–32.

    Google Scholar 

  • Åkerberg, E. 1941. Cytogenetic studies inPoa pratensis and its hybrid withPoa alpina. Diss. [also in Hereditas28: 1–126. 1942].

    Google Scholar 

  • — andBingefors, S. 1953. Progeny studies in the hybridPoa pratensis XPoa alpina. Hereditas39: 125–136.

    Google Scholar 

  • Andersson, A. 1931. Studien über die Embryologie der Familien Celastraceae, Oleaceae und Apocynaceae. Lunds Univ. Årsskr.27(1): 1–112.

    Google Scholar 

  • Anderson, E. 1947. Hybridization of the habitat. Evolution2: 1–9.

    Article  Google Scholar 

  • -. 1949. Introgressive hybridization. 109 pp.

  • — 1951. Concordant versus discordant variation in relation to introgression. Evolution5: 133–141.

    Article  Google Scholar 

  • Archibald, E. E. A. 1939. The development of the ovule and seed of jointed cactus (Opuntia aurantiaca Lindley. So. Afr. Jour. Sci.36: 195–211.

    Google Scholar 

  • Armstrong, J. M. 1937. A cytological study of the genusPoa L. Canad. Jour. Res., C.15: 281–297.

    Google Scholar 

  • Babcock, E. B. 1947. The genusCrepis. Part I: 197 pp.

  • — andStebbins, G. L., Jr. 1938. The American species ofCrepis. Carnegie Inst. Wash., Publ. 504: 1–199.

    Google Scholar 

  • Bacchi, O. 1943. Cytological observations in citrus. III. Megasporogenesis, fertilization, and polyembryony. Bot. Gaz.105: 221–225.

    Article  Google Scholar 

  • Baker, H. G. 1954. The agamic complex inLimonium (Sections Densiflorae and Dissiflorae Boiss.) Proc. VII Int. Bot. Congr.: 329–330.

  • Bally, W. 1916. Zwei Fälle von Polyetnbryonie und Parthenokarpie. Verh. Schweiz. Naturf. Ges.98: 169–170. [Cited after Ernst, 1918].

    Google Scholar 

  • Bambacioni-Mezzetti, V. 1932. Sullo sviluppo dell’embrione inTulipa Gesneriana L. Ann. Bot. [Roma]19: 145–155.

    Google Scholar 

  • Battaglia, E. 1946a. Fenomeni citolpgici nuovi nella embriogenesi (“semigamia”) e nella microsporogenesi (“doppio nucleo di restituzione”) diRudbeckia laciniata L. Nuovo Giorn. Bot. Ital.52: 34–38.

    Google Scholar 

  • — 1946b. Ricerche cariologiche ed embryologiche sul genereRudbeckia (Asteracea). I-VIII. Nuovo Giorn. Bot. Ital.53: 1–69, 437–511.

    Google Scholar 

  • — 1947a. La “Semigamia”, singolare comportamento del nucleo spermatico nelle uova diploidi delle specie apomittiche del genereRudbeckia (Asteraceae) e consequente embriogenesi di tipi chimerico. Rend. dell’Acad. Nat. Lincei, VIII,2(1): 63–67.

    Google Scholar 

  • — 1947b. Ricerche cariologiche ed embryologiche sul genereRudbeckia (Asteracea). IX-XII. Nuovo Giorn. Bot. Ital.54: 377–431, 531–567.

    Google Scholar 

  • — 1947c. Apomissia inHieracium ramosum Waldst. et Kit. Atti Doc. Toscana Sci. Nat.54: 1–11.

    Google Scholar 

  • — 1947d. Sulla terminologia dei processi apomittici. Nuovo Giorn. Bot. Ital., Nuova Ser.,53: 23 pp.

    Google Scholar 

  • — 1948. Ricerche sulla parameiosi restiuzionale nel genereTaraxacum. Caryologia1: 1–47.

    Google Scholar 

  • — 1949. L’alterazione della meiosi nella reproduzione apomittica diChondrilla juncea L. Caryologia2: 23–30.

    Google Scholar 

  • — 1950. L’alterazione della meiosi nella riproduzione apomittica diErigeron karwinskianus DC. var.mucronatus DC. (Asteraceae). Caryologia2: 165–204.

    Google Scholar 

  • — 1951. Development of Angiosperm embryo sacs with nonhaploid eggs. Am. Jour. Bot.38: 718–724.

    Article  Google Scholar 

  • — 1952a. Nuovi reperti di apomissia e di amfimissia nel genereRudbeckia (Compositae). Atti Soc. Toscana Sci. Nat., Mem., B,59: 205–209.

    Google Scholar 

  • — 1952b. Ricerche embriologiche suRudbeckia columnaris Sims. Atti Soc. Toscana Sci. Nat., Mem., B,59: 172–197.

    Google Scholar 

  • — 1952c. Utilizzazione di dati embriologici in funzione di una migliore conoscenza della sistematica del genereRudbeckia (Compositae). Atti Soc. Toscana Sci. Nat., Mem., B,59: 217–221.

    Google Scholar 

  • — 1952d. Ricerche embriologiche nel genereArnica (Compositae). Atti Soc. Toscana Sci. Nat., Mem., B,59: 210–216.

    Google Scholar 

  • Berger, A. 1915. Die Agaven. 288 pp.

  • Bergman, B. 1935a. Zytologische Studien über die Fortpflanzung bei den GattungenLeontodon undPicris. Svensk Bot. Tidskr.29: 155–301.

    Google Scholar 

  • — 1935b. Zytologische Studien über sexuelles und asexuellesHieracium umbellatum. Hereditas20: 47–64.

    Google Scholar 

  • — 1935c. Zur Kenntnis der Zytologie der skandinavischenAntennaria-Arten. Hereditas20: 214–226.

    Article  Google Scholar 

  • — 1937. Eine neue apomiktischeAntennaria. Svensk Bot. Tidskr.31: 391–394.

    Google Scholar 

  • — 1942. Zur Embryologie der GattungErigeron. Svensk Bot. Tidskr.36: 429–443.

    Google Scholar 

  • — 1944. A contribution to the knowledge of the embryo sac mother cell and its development in two apomicts. Svensk Bot. Tidskr.38: 249–259.

    Google Scholar 

  • — 1950. Meiosis in two different clones of the apomicticChondrilla juncea. Hereditas36: 297–320.

    Article  Google Scholar 

  • — 1951. On the formation of reduced and unreduced gametophytes in the females ofAntennaria carpatica. Hereditas37: 501–518.

    Google Scholar 

  • — 1952a. Asyndesis in macrosporogenesis of diploid, triploid and tetraploidChrysanthemum carinatum. Hereditas38: 83–90.

    Article  Google Scholar 

  • — 1952b.Chondrilla chondrilloides, a new sexualChondrilla species. Hereditas38: 367–369.

    Article  Google Scholar 

  • — 1952c. Chromosome morphological studies inChondrilla juncea and some remarks on the microsporogenesis. Hereditas38: 128–130.

    Article  Google Scholar 

  • Bergner, A. D. 1944. Guayule with low chromosome numbers. Science99: 224–225.

    Article  PubMed  CAS  Google Scholar 

  • — 1946. Polyploidy and eneuploidy in Guayule. U. S. Dept. Agr., Tech. Bull. 918: 1–36.

    Google Scholar 

  • Beth, K. 1938. Untersuchungen über die Auslösung von Adventivembryonie durch Wundreiz. Planta28: 296–343.

    Article  Google Scholar 

  • Billings, F. H. 1937. Some new features in the reproductive cytology of angiosperms, illustrated byIsomeris arborea. New Phytol.36: 301–326.

    Article  Google Scholar 

  • Bøcher, T. W. 1938. Zur Zytologie einiger arktischen und borealen Blütenpflanzen. Svensk Bot. Tidskr.32: 346–361.

    Google Scholar 

  • — 1947. Cytological studies ofArabis Holboellii Hörnem. Hereditas33: 573.

    PubMed  Google Scholar 

  • - 1950. Chromosome numbers of some arctic or boreal flowering plants. Medd. om Grønland147(6). 32 pp.

  • -. 1951. Cytological and embryological studies in the amphiapomicticArabis Holboellii complex. Det Kongl. Danske Vid. Selsk. Biol. Skr.,6(7). 59 pp.

  • Böös, G. 1924. Neue embryologiche Studien überAlchemilla arvensis (L.) Scop. Bot. Not. [Lund]: 209–250.

  • Bowden, W. M. 1940. Diploidy, polyploidy, and winter hardiness relationship in the flowering plants. Am. Jour. Bot.27: 357–371.

    Article  Google Scholar 

  • Braun, A. 1860. Über Polyembryonie und Keimung vonCaelebogyne. Abh. König. Akad. Wiss. Berlin1859: 109–263.

    Google Scholar 

  • Bremer, G. 1922. Een cytologisch onderzoek van eenige soorten en soortbastaarden van het geslachtSaccharum. Arch. Suikerind. Nederl. Indie. Med. Proefst. Java Suikerindust., Jaarg. 1922, No. 1, 112 pp.

  • — 1924. De chromosome bij primitieve vormen van het geslachtSaccharum. Arch. Suikerind. Nederl. Indie. Med. proefst. Java Suikerindustr., Jaarg. 1924, No. 16: 477–508.

    Google Scholar 

  • — 1934. Een cytologisch onderzoek van een vijftigtal in 1929–1930 op Java geimporteerde rietsoorten. Arch. Suikerind. Nederl. Indie, Deel II, Jaarg. 1934, No. 5: 141–166.

    Google Scholar 

  • — 1946. De Cytologie van soortsbastaarden bijSaccharum. Vakblad Biologen21(1): 3–10.

    Google Scholar 

  • Brittingham, W. H. 1941. An artificial hybrid between two species of bluegrass. Jour. Hered.32: 57–63.

    Google Scholar 

  • — 1943. Type of seed formation as indicated by the nature and extent of variation in Kentucky bluegrass, and its practical implications. Jour. Agr. Res.67: 225–264.

    Google Scholar 

  • Brown, W. L. 1939. Chromosome complements of five species ofPoa with an analysis of variation inPoa pratensis. Am. Jour. Bot.26: 717–723.

    Article  Google Scholar 

  • — 1941. The cytogenetics ofPoa pratensis. Ann. Mo. Bot. Gard.28: 493–522.

    Article  Google Scholar 

  • Brown, W. V. 1951. Apomixis inZephyranthes texana Herb. Am. Jour. Bot.38: 697–701.

    Article  Google Scholar 

  • Burton, G. W. 1948. The method of reproduction in common Bahia grass,Paspalum notatum. Jour. Am. Soc. Agron.40: 443–452.

    Google Scholar 

  • Carano, E. 1921. Nuovo ricerche sulla embriologia delle Asteraceae. Ann. Bot. [Roma]15: 97–196.

    Google Scholar 

  • — 1925. Sul particolare sviluppo del gametofito ♀ diEuphorbia dulcis L. Rend. R. Acc. Lincei, Cl. Sc. fis., mat. e nat., Ser. 6a1: 633.

    Google Scholar 

  • — 1926. Ulteriori osservazioni suEuphorbia dulcis L., in rapporto col suo comportamento apomittico. Ann. Bot. [Roma]17: 50–79.

    Google Scholar 

  • Catcheside, D. G. 1947. The B-chromosomes ofParthenium argentatum. Heredity1: 393–394.

    Article  Google Scholar 

  • — 1950. The B-chromosomes ofParthenium argentatum. Genet. Iber.2: 139–148 +1 pl.

    Google Scholar 

  • Chase, S. S. 1952. Selection for parthenogenesis and monoploid fertility in maize. Genetics37: 573–574.

    Google Scholar 

  • Chiarugi, A. 1926. Aposporia e apogamia in “Artemisia nitida” Bertol. Nuovo Giorn. Bot. Iatl., Nuova Serie,33: 501–626.

    Google Scholar 

  • — andFrancini, E. 1930. Apomissia in “Ochna serrulata” Walp. Nuovo Giorn. Bot. Ital., Nuova Serie37: 1–250.

    Google Scholar 

  • Christer, H. R. 1953. Die Embryologie vonRubus idaeus und von Bastarden zwischenRubus caesius undRubus idaeus. Zeits. Ind. Abst. Vererb.84: 454–461.

    Article  Google Scholar 

  • Christoff, M. 1940. Über die Fortpflanzungsverhältnisse bei einigen Arten der GattungHieracium nach einer experimentell induzierten Chromosomenvermehrung. Planta31: 73–90.

    Article  Google Scholar 

  • — 1942. Die genetische Grundlage der apomiktischen Fortpflanzung beiHieracium aurantiacum. Zeits. Ind. Abst. Vererb.80: 103–125.

    Article  Google Scholar 

  • — andChristoff, M. A. 1948. Meiosis in the somatic tissue responsible for the reduction of chromosome number in the progeny ofHieracium Hoppeanum Schult. Genetics33: 36–42.

    PubMed  CAS  Google Scholar 

  • — undPapasova, G. 1943. Die genetischen Grundlagen der apomiktischen Fortpflanzung in der GattungPotentilla. Zeits. Ind. Abst. Vererb.81: 1–27.

    Article  Google Scholar 

  • — undPopoff, A. 1933. Cytologische Studien über die GattungHieracium. Planta20: 440–447.

    Article  Google Scholar 

  • Christoff, M. A. 1942. Embryologische Studien über die Fortpflanzung einiger Poa-Arten. Jahrb. Univ. Heil. Klim. Ochrid Sofia, Fak. Land.- u. Forstwirtsch.20: 169–178.

    Google Scholar 

  • — 1944. Die Polyembryonic als Ursache für die Variabilität in den apomiktischen Arten der GattungPoa. Jahrb. Univ. Heil. Klim. Ochrid, Sofia, Fak. Land.- u. Forstwirtsch.22: 153–179.

    Google Scholar 

  • Clausen, J. 1951. Stages in the evolution of plant species. 206 pp.

  • —,Keck, D. andHiesey, W. M. 1940. Experimental studies on the nature of species. I. Effect of varied environments on western North American plants. Carnegie Inst. Wash., Publ. 520: 1–452.

    Google Scholar 

  • —, — and — 1945. Experimental studies on the nature of species. II. Plant evolution through amphiploidy and autoploidy, with examples from the Madiinae. Carnegie Inst. Wash., Publ. 564: 1–174.

    Google Scholar 

  • —, — and — 1947. Experimental taxonomy. Carnegie Inst. Wash., Year Book46: 95–104.

    Google Scholar 

  • —, — and — 1948. Experimental taxonomy. Carnegie Inst. Wash., Year Book47: 105–110.

    Google Scholar 

  • —, —, — andGrun, P. 1949. Experimental taxonomy.Poa investigations. Carnegie Inst. Wash., Year Book48: 97–103.

    Google Scholar 

  • —, —, — and — 1950. Experimental taxonomy.Poa investigations. Carnegie Inst. Wash., Year Book49: 104–107.

    Google Scholar 

  • —, —, —, —,Nygren, A. andNobs, M. 1951. Climatic tolerances ofPoa species and hybrids. Carnegie Inst. Wash., Year Book50: 105–108.

    Google Scholar 

  • —,Grün, P., Nygren, A. andNobs, M. 1951. Genetics and evolution ofPoa. Carnegie Inst. Wash., Year Book50: 109–111.

    Google Scholar 

  • —,Grun, P., Hiesey, W. M. andNobs, M. 1952. NewPoa hybrids. Carnegie Inst. Wash., Year Book51: 111–117.

    Google Scholar 

  • —,Hiesey, W. M., Grun, P. andNobs, M. 1952. Survey of the range-grass program. Carnegie Inst. Wash., Year Book51: 107–111.

    Google Scholar 

  • Coe, G. E. 1953. Cytology of reproduction inCooperia pedunculata. Am. Jour. Bot.40: 335–343.

    Article  Google Scholar 

  • Cooper, D. C. andBrink, R. A. 1949. The endosperm-embryo relationship in an autonomous apomict,Taraxacum officinale. Bot. Gaz.111: 139–153.

    Article  Google Scholar 

  • Crane, M. B. andThomas, P. T. 1939. Segregation in asexual (apomictic) offspring inRubus. Nature143: 684.

    Article  Google Scholar 

  • Curtis, W. M. 1952. Variation in certain Tasmanian plants. New Phytol.51: 398–414.

    Article  Google Scholar 

  • D’Amato, F. 1940. Apomissia inStatice oleaefolia Scop. var.confusa Goodr. (Plumbaginaceae). Nuovo Giorn. Bot. Ital.47: 504.

    Google Scholar 

  • — 1949a. Risultati di una Carioembriologica in una populazione diNothoscordum fragrans Kunth. Caryologia1: 194–200.

    Google Scholar 

  • — 1949b. Triploidia e apomissa inStatice oleaefolia Scop. var.confusa Goodr. Caryologia2: 71–84.

    Google Scholar 

  • Darlington, C. D. andJanaki-Ammal, E. K. 1945. Chromosome atlas of cultivated plants. 397 pp.

  • Dermen, H. 1936. Aposporic parthenogenesis in a triploid apple,Malus hupehensis. Jour. Arn. Arb.17: 90–105.

    Google Scholar 

  • Diannelidis, T. 1944. Über das spontane Vorkommen von diploidemAllium carinatum. Wiener (Österr.) Bot. Zeits.93: 66–72.

    Google Scholar 

  • Dodds, K. S. 1950. Polyhaploids inSolatium demissum. Nature166: 795.

    Article  PubMed  CAS  Google Scholar 

  • — andSimmonds, N. W. 1948. Genetical and cytological studies ofMusa. IX. The origin of an edible diploid and the significance of interspecific hybridization in the banana complex. Tour. Genet.48: 285–292.

    CAS  Google Scholar 

  • - and -. 1949. The cytogenetics of bananas. Proc. VIII Int. Congr. Genet. Hereditas, Suppl. Vol.: 262.

  • Duara, B. N. andStebbins, G. L., Jr. 1952. A polyhaploid obtained from a hybrid derivative ofSorghum halepense XS. vulgäre var.sudanense. Genetics37: 369–374.

    PubMed  CAS  Google Scholar 

  • Edman, G. 1931. Apomeiosis und Apomixis beiAtraphaxis frutescens C. Koch. Acta Horti Berg.11: 13–66.

    Google Scholar 

  • Ehrenberg, L. 1945. Kromosomtalen hos några kärlväxter. Bot. Not. [Lund]: 430–437.

  • Einset, J. 1947. Chromosome studies inRubus. Gentes Herb.7: 181–192.

    Google Scholar 

  • — 1951. Apomixis in American polyploid blackberries. Amer. Jour. Bot.38: 768–772.

    Article  Google Scholar 

  • Ekman, E. 1927. Notes on some Greenland Antennariae. Svensk Bot. Tidskr.21: 49–57.

    Google Scholar 

  • Engelbert, V. 1940. Reproduction in somePoa species. Canad. Jour. Res. C.18: 518–521.

    Google Scholar 

  • — 1941. The development of twin embryo sacs, embryos and endosperm inPoa arctica R. Br. Canad. Jour. Res. C.19: 135–144.

    Google Scholar 

  • Erlandsson, S. 1939. The chromosome numbers of someTaraxacum species. Bot. Not. [Lund]: 261–264.

  • Ernst, A. 1918. Bastardierung als Ursache der Apogamie im Pflanzenreich. 666 pp.

  • — 1949. Addenda, Corrigenda und Desiderata zur Genetik des amphidiploiden ArtbastardesPrimula kewensis. Arch. J. Klaus-St. Ver., Soz. und Rass.24: 1–104 + 2 pl.

    Google Scholar 

  • — 1950. Resultate aus Kreuzungen zwischen der tetraploiden, monomorphenPrimula japonic a und diploiden, monound dimorphen Arten der SektionCandelabra. Arch. J. Klaus-St. Ver., Soz. und Rass.25: 135–236 + 4 pl.

    Google Scholar 

  • — 1951a. “Maternal hybrids” nach interspezifischen Bestäubungen in der GattungPrimula. 1. SektionCandelabra. Arch. J. Klaus-St. Ver., Soz. und Rass.26: 1–96 + 2 pl.

    Google Scholar 

  • — 1951b. “Maternal hybrids” nach interspezifischen Bestäubungen in der GattungPrimula. 2. SektionFarinosae. Arch. J. Klaus-St. Ver., Soz. und Rass.26: 187–322 + 2 pl.

    Google Scholar 

  • — undBernhard, Ch. 1912. Entwicklungsgeschichte des Embryosackes und des Embryos vonBurmannia candida Engl. undB. Championii Thw. Ann. Jard. Bot. Buitenzorg, II,10: 161–188. [No. 9 in Beiträge zur Kenntnis der Saprophyten Javas].

    Google Scholar 

  • Esau, K. 1944. Apomixis in Guayule. Proc. Nat. Acad. Sci.30: 352–355.

    Article  PubMed  CAS  Google Scholar 

  • — 1946. Morphology of reproduction in Guayule and certain other species ofParthenium. Hilgardia17: 61–101.

    Google Scholar 

  • Fagerlind, F. 1937. Embryologische, zytologische und bestäubungsexperimentelle Studien in der Familie Rubiaceae nebst Bemerkungen über einige Polyploiditätsprobleme. Acta Horti Berg.11: 195–470.

    Google Scholar 

  • — 1940. Zytologie und Gametophytenbildung in der GattungWikstroemia. Hereditas26: 23–50.

    Article  Google Scholar 

  • — 1944. Die Samenbildung und die Zytologie bei agamospermischen und sexuellen Arten vonElatostema und einigen nahestehenden Gattungen nebst Beleuchtung einiger damit zusammenhängender Probleme. Kung. Svensk Vet. Akad. Handl.21(4): 1–130.

    Google Scholar 

  • — 1945. Bildung und Entwicklung des Embryosacks bei sexuellen und agamospermischenBalanophora-Arten. Svensk Bot. Tidskr.39: 65–82.

    Google Scholar 

  • — 1946. Sporogenesis, Embryosackentwicklung und pseudogame Samenbildung beiRudbeckia laciniata L. Acta Horti Berg.14: 39–90.

    Google Scholar 

  • — 1947a. Macrogametophyte formation in two agamospermousErigeron species. Acta Horti Berg.14: 221–247.

    Google Scholar 

  • — 1947b. Makrosporogenese und Embryosackbildung bei agamospermischenTaraxacum-Biotypen. Svensk Bot. Tidskr.41: 365–390.

    Google Scholar 

  • Fernald, M. L. 1899. Some Antennarias of northern New England. Rhodora1: 71–75.

    Google Scholar 

  • -. 1933. Recent discoveries in the Newfoundland flora. Rhodora35. [Festuca prolifera, p. 133–136;Antennaria, p. 327–346].

  • — 1936. Memoranda onAntennaria. Rhodora38: 229–231.

    Google Scholar 

  • Flovik, K. 1938. Cytological studies of arctic grasses. Hereditas24: 265–376.

    Article  Google Scholar 

  • — 1940. Chromosome numbers and polyploidy within the flora of Spitzbergen. Hereditas26: 430–440.

    Google Scholar 

  • Forenbacher, A. 1914. Die Fortpflanzungsverhältnisse bei der GattungPotentilla. Bull. Akad. Zagreb: 86–97. [Cited after Schnarf, 1929].

  • Fries, Th. C. E. 1919.Antennaria alpina (L.) Gaertn. och dess skandinaviska elementararter. Svensk Bot. Tidsk.13: 179–193.

    Google Scholar 

  • Frost, H. B. 1926. Polyembryony, heterozygosis and chimeras in citrus. Hilgardia1: 365–402.

    Google Scholar 

  • Fultz, J. L. 1942. Somatic chromosome complements inBouteloua. Amer. Jour. Bot.29: 45–55.

    Article  Google Scholar 

  • Furusato, K. 1952. Genetics and breeding ofCitrus. Nat. Inst. Genet. [Japan] Ann. Rep.1951: 41.

    Google Scholar 

  • Ganong, W. F. 1898. Upon polyembryony and its morphology inOpuntia vulgaris. Bot. Gaz.25: 221–228.

    Article  Google Scholar 

  • Garber, E. D. 1950. Cytotaxonomic studies in the genusSorghum. Univ. Calif., Publ. Bot.23(6): 283–362 + pl. 40–45.

    Google Scholar 

  • Gardner, E. J. 1946a. Sexual plants with high chromosome number from an individual plant selection in a natural population of guayule and mariola. Genetics31: 117–124.

    PubMed  CAS  Google Scholar 

  • — 1946b. Wind pollination in guayule,Parthenium argentatum Gray. Proc. Amer. Soc. Agron.38: 264–272.

    Google Scholar 

  • Geitler, L. 1944. Natürliches diploidesAllium carinatum. Ber. Deut. Bot. Ges.61(1943): 210–211.

    Google Scholar 

  • Gelin, O. 1934. Embryologische und cytologische Studien in Heliantheae-Coreopsidinae. Acta Horti Berg.11: 99–128.

    Google Scholar 

  • Gentcheff, G. 1937. Zytologische und embryologische Studien über einigeHieracium-Arten. Planta27: 165–195.

    Article  Google Scholar 

  • — 1941. Degenerative phenomena in the male gametophyte ofHieracium in relation to mitotic behavior of the cell. Univ. St. Kliment, Ochridsky Sofia, Fac Agr., Year Book19: 107–150.

    Google Scholar 

  • — andGustafsson, Å. 1940a. The balance system of meiosis inHieracium. Hereditas26: 209–249.

    Article  Google Scholar 

  • - and -. 1940b. Parthenogenesis and pseudogamy inPotentilla. Bot. Not. [Lund]: 109–132.

  • Gerstel, D. U. 1950a. Is resistance to Verticillium wilt in guayule related to chromosome number? Agron. Jour.42: 310–311.

    Google Scholar 

  • — 1950b. Self-incompatibility studies in guayule. II. Inheritance. Genetics35: 482–506.

    PubMed  CAS  Google Scholar 

  • —,Hammond, B. L. andKidd, C. 1953. An additional note on the inheritance of apomixis in guayule. Bot. Gaz.115: 89–93.

    Article  Google Scholar 

  • —, andMishanec, Wm. 1950. On the inheritance of apomixis inParthenium argentatum. Bot. Gaz.112: 96–106.

    Article  Google Scholar 

  • — andRiner, Mary E. 1950. Self-incompatibility studies in guayule. I. Jour. Hered.41: 49–55.

    CAS  Google Scholar 

  • Granick, E. B. 1944. A karyosystematic study of the genusAgave. Am. Jour. Bot.31: 283–298.

    Article  Google Scholar 

  • Grun, P. 1951.Poa nevrosa, an extreme in asexual reproduction. Carnegie Inst. Wash., Year Book50: 112–113.

    Google Scholar 

  • — 1952. Apomixis and variation inPoa nevrosa. Carnegie Inst. Wash., Year Book51: 117–119.

    Google Scholar 

  • — andTriplett, E. L. 1952.Poa cytology. Carnegie Inst. Wash., Year Book 51: 119–122.

    Google Scholar 

  • Gudjónsson, G. 1941. OmAphanes arvensis L. ogA. microcarpa (Boiss et Reut.) Rothm. og deres Udbredelse i Danmark. Svensk Bot. Tidskr.45: 352–370.

    Google Scholar 

  • Gustafsson, Alton. 1933. Cytological studies in the genusHieracium. Bot. Gaz.94: 512–533.

    Article  Google Scholar 

  • Gustafsson, Å. 1932. Zytologische und experimentelle Studien in der GattungTaraxacum. Hereditas16: 41–62.

    Article  Google Scholar 

  • — 1935. Studies on the mechanism of parthenogenesis. Hereditas21: 1–112.

    Google Scholar 

  • — 1943. The genesis of the European blackberry flora. Lunds Univ. Årsskr. N.F.39(6): 1–200.

    Google Scholar 

  • -. 1946–47. Apomixis in higher plants. Part I–III. Lunds Univ. Årsskr. N.F. Avid. II.42(3); 43(2); 43(12). 370 pp.

  • — andNygren, A. 1946. The temperature effect on pollen formation and meiosis inHieracium robustum. Hereditas32: 1–14.

    Article  Google Scholar 

  • Haberlandt, G. 1921. Die Entwicklungserregung der Eizellen einiger parthenogenetischer Kompositen. Sitz.-ber. Preuss. Akad. Wiss.51: 861–881.

    Google Scholar 

  • Häfliger, E. 1943. Zytologisch-embryologische Untersuchungen pseudogamer Ranunkeln derAuricomus-Gruppe. Ber. Schweiz. Bot. Ges.53: 317–382.

    Google Scholar 

  • Hagerup, O. 1939. Studies on the significance of polyploidy. III.Deschampsia andAira. Hereditas25: 185–192.

    Article  Google Scholar 

  • — 1944. On fertilisation, polyploidy and haploidy inOrchis maculatus L. sens. lat. Dansk Bot. Arkiv11(5): 1–25.

    Google Scholar 

  • — 1945. Facultative parthenogenesis and haploidy inEpipactis latifolia. Kung. Danske Vid. Selsk., Biol. Medd.19(11): 1–14.

    Google Scholar 

  • -. 1947. The spontaneous formation of haploid, polyploid, and aneuploid embryos in some orchids. Kung. Danske Vid. Selsk., Biol. Medd. 20(9). 22 pp.

  • Håkansson, A. 1943. Die Entwicklung des Embryosacks und die Befruchtung beiPoi alpina. Hereditas29: 25–61.

    Google Scholar 

  • -. 1944. Ergänzende Beiträge zur Embryologie vonPoa alpina. Bot. Not. [Lund]: 299–311.

  • — 1946. Untersuchungen über die Embryologie einigerPotentilla- Formen. Lunds Univ. Årsskr. N.F. Avd. II.42(5): 1–70.

    Google Scholar 

  • — 1948. Embryology ofPoa alpina plants with accessory chromosomes. Hereditas34: 233–247.

    Article  Google Scholar 

  • -. 1951. Parthenogenesis inAllium. Bot. Not. [Lund]: 143–179.

  • -. 1953. Die Samenbildung beiNothoscordum fragans. Bot. Not. [Lund]: 129–139.

  • Hansson, A. A., Carber, R. J. andMyers, W. M. 1952. Yields of individual and combined apomictic strains of Kentucky bluegrass (Poa pratensis L). Agron. Jour.44: 125–128.

    Google Scholar 

  • Harlan, J. R. 1948. Tucson side-oats grama: an improved strain. Oklahoma crops and soils 1947. Research reported at the second annual Oklahoma crops and soils conference. Okl. Agr. Exp. Sta., Bull.B-319: 123–125.

    Google Scholar 

  • — 1949. Apomixis in side-oats grama (Bouteloua curtipendula (Michx.) Torr.) Am. Jour. Bot.36: 495–499.

    Article  Google Scholar 

  • Harmsen, L. 1939. Studies on the embryology and cytology ofSaxifraga. Medd. om Grönland125(4): 1–15.

    Google Scholar 

  • Hartung, M. E. 1946. Chromosome numbers inPoa Agropyron, andElymus. Am. Jour. Bot.33: 516–531.

    Article  CAS  Google Scholar 

  • Heitz, E. 1951. Embryologischer Nachweis von Agamospermie mittels Simultanmethode. Experientia7: 456.

    Article  PubMed  CAS  Google Scholar 

  • Hiesey, W. M. 1951. Growth studies under controlled temperatures. Carnegie Inst. Wash., Year Book50: 99–105.

    Google Scholar 

  • Hofmeyr, J. D. J. andOberholzer, P. C. J. 1948. Genetic aspects associated with the propagation ofCitrus. Farming So. Afr.23: 201–208.

    Google Scholar 

  • Holmgren, I. 1919. Zytologische Studien über die Fortpflanzung bei den GattungenErigeron undEupatorium. Kung. Svensk Vet. Akad. Handl.59(7): 1–118.

    Google Scholar 

  • Horn, C. L. 1940. Existence of only one variety of cultivated mangosteen explained by asexually formed “seed”. Science92: 237–238.

    Article  PubMed  CAS  Google Scholar 

  • Hull, E. D. 1915. Polyembryony inOpuntia Rafinesquii. Am. Bot.21: 56–57. [Cited after Ernst, 1918].

    Google Scholar 

  • Ikeno, S. 1935. Studien über die mutative Entstehung eines hochmutablen Genes bei einer parthenogenetischen Pflanzenart. Zeits. Ind. Abst. Vererb.68: 517–542.

    Article  Google Scholar 

  • Jeffrey, E. C. 1948. Hormones in relation to parthenogenesis. Genetics33: 615.

    PubMed  CAS  Google Scholar 

  • Johansen, D. 1931. Studies on the morphology of the Onagraceae. III.Taraxia ovata (Nutt.) Small. Ann. Bot.45: 111–124.

    Google Scholar 

  • Johnson, A. 1936. Polyembryony inEugenia Hookeri. Am. Jour. Bot.23: 83–85.

    Article  Google Scholar 

  • Johnson, B. L. 1950. High rubber yielding selections from a natural population of guayule. Agron. Jour.42: 345–350.

    Google Scholar 

  • Juel, O. 1900. Vergleichende Untersuchungen über typische und parthenogenetische Fortpflanzung bei der GattungAntennaria. Kung. Svensk Vet. Akad. Handl.33(5): 1–59.

    Google Scholar 

  • Juliano, J. B. 1934. Origin of embryos in the strawberry mango. Philip. Jour. Sci.54: 553–556. [Cited after Stebbins, 1941].

    Google Scholar 

  • — 1937. Embryos of Carabao Mango,Mangifera indica L. Philip. Agr.25: 749–760. [Cited after Stebbins, 1941].

    Google Scholar 

  • — andCuevas, N. Y. 1932. Floral morphology of the mango (Mangifera indica L.) with special reference to the pico variety from the Philippines. Philip. Agr.21: 449–472. [Cited after Stebbins, 1941].

    Google Scholar 

  • Kerner, A. 1876. Parthenogenesis bei einer angiospermen Pflanze. Sitzb. Math. Nat. Classe Akad. Wiss. Wien. I.74: 469.

    Google Scholar 

  • Kieixander, C. L. 1942. A subhaploidPoa pratensis L. with 18 chromosomes and its progeny. Svensk Bot. Tidskr.36: 200–220.

    Google Scholar 

  • Koch, W. 1933. Schweizerische Arten aus der Verwandtschaft desRanunculus auricomus L. Ber. Schweiz. Bot. Ges.42: 740–753.

    Google Scholar 

  • — 1939. Zweiter Beitrag zur Kenntnis des Formenkreises vonRanunculus auricomus L. Ber. Schweiz. Bot. Ges.49: 541–554.

    Google Scholar 

  • Koroleva, V. A. 1939. Interspecific hybridization in the genusTaraxacum. Compt. Rend. Acad. Sci. [URSS]24: 174–176.

    Google Scholar 

  • Krause, O. 1931. Zytologische Studien bei den Urticales unter besonderer Berücksichtigung der GattungDorstenia. Planta13: 29–84.

    Article  Google Scholar 

  • Krug, C. A. 1943. Chromosome numbers in the subfamily Aurantioideae, with special reference to the genusCitrus. Bot. Gaz.104: 602–611.

    Article  Google Scholar 

  • Lawrence, W. E. 1945. Some ecotypic relations ofDeschampsia caespitosa. Am. Jour. Bot.32: 298–314.

    Article  Google Scholar 

  • Leroy, J. F. 1947. Sur un “complexe agamique” des manguiers et sur l’origine et la phylogénie des variétés cultivées. Rev. Bot. Agr. Trop.27: 304–309.

    Google Scholar 

  • Levan, A. 1935. Zytologische Studien anAllium schoenoprasum. Diss. Lund [also in Hereditas22: 1–128. 1936–1937].

    Google Scholar 

  • — 1937. Cytological studies in theAllium paniculatum group. Hereditas23: 317–370.

    Google Scholar 

  • — 1940. The cytology ofAllium amplectens and the occurrence in nature of its asynapsis. Hereditas26: 353–394.

    Google Scholar 

  • — andEmsweller, S. L. 1938. Structural hybridity inNothoscordum fragrans and the origin of terminally attached chromosomes. Jour. Hered.29: 291–294.

    Google Scholar 

  • Li, Lai-Yung. 1950. Vivipary in some Chinese plants. Bot. Gaz.112: 358–359.

    Article  Google Scholar 

  • Lidforss, B. 1899. Batologiska iakttagelser. I. Öfv. Kung. Svensk Vet. Akad. Förh.56(1): 21–35.

    Google Scholar 

  • — 1901. Batologiska iakttagelser. II. Öfv. Kung. Svensk Vet. Akad. Förh.58(1): 59–90.

    Google Scholar 

  • — 1905. Studier över artbildningen inom släktetRubus. Arkiv Bot.4(6): 1–41.

    Google Scholar 

  • -. 1907a. Studier over artbildningen inom släktetRubus. II. Arkiv Bot. No. 16: 1–43.

  • -. 1907b. Über das Studium polymorpher Gattungen. Bot. Not. [Lund]: 241–261.

  • — 1914. Resumé seiner Arbeiten überRubus. Ind. Abst. Vererb.12: 1–13.

    Article  Google Scholar 

  • Liljefors, A. 1934. Über normale und apospore Embryoentwicklung in der GattungSorbus, nebst einigen Bemerkungen über die Chromosomenzahlen. Svensk Bot. Tidskr.28: 290–299.

    Google Scholar 

  • — 1954. Studies on propagation, embryology and pollination inSorbus. Acta Horti Bergiani16: 277–329.

    Google Scholar 

  • Longley, A. E. 1924a. Cytological studies in the genusCrataegus. Am. Jour. Bot.11: 295–317.

    Article  Google Scholar 

  • — 1924b. Cytological studies in the genusRubus. Am. Jour. Bot.11: 249–282.

    Article  Google Scholar 

  • Longo, B. 1908. La poliembrionia nelloXanthosylum Bungei Planch. senza fecondazione. Bull. Soc. Bot. Ital.: 113–115.

  • Löve, A. 1942. Cytogenetic studies inRumex. III. Some notes on the Scandinavian species of the genus. Hereditas28: 289–296.

    Google Scholar 

  • — 1949. Agamospermy inAcetosa. Hereditas35: 390–393.

    Google Scholar 

  • — 1952. Preparatory studies for breeding IcelandicPoa irrigata. Hereditas38: 11–32.

    Article  Google Scholar 

  • - andLöve, D. 1942. Chromosome numbers of Scandinavian plant species. Bot. Not. [Lund]: 19–59.

  • - and -. 1948. Chromosome numbers of Northern plant species. Reykjavik 1948, 131 pp.

  • MacAllister, F. 1913. On the cytology and embryology ofSmilacina racemosa. Trans. Wis. Acad. Sci., Arts & Lett.17(1): 599–660. [Cited after Schnarf, 1929].

    Google Scholar 

  • Manton, I. 1950. Problems of cytology and evolution in thePteridophyta. 316 pp.

  • Marklund, G. 1939. Einige Sippen derRanunculus auricomus-Gruppe. Mem. Soc. Fauna Flora Fenn.16: 45–53.

    Google Scholar 

  • Marsden-Jones, E. M. andTurrill, W. B. 1935. Studies inRanunculus. III. Further experiments concerning sex inRanunculus acris. Jour. Genet.31: 363–378.

    Google Scholar 

  • — and — 1952. Studies inRanunculus. IV. Additional experiments withRanunculus bulbosus andR. acris. Jour. Genet.51: 26–31.

    Article  Google Scholar 

  • Matsuura, H. andSutô, T. 1935. Contributions to the idiogram study in phanerogamous plants. I. Jour. Fac. Sci. Hokkaido Imp. Univ. V.5(1): 33–75.

    Google Scholar 

  • Mauritzon, J. 1934. Die Embryologie einiger Capparidaceen sowie vonTovaria pendula. Arkiy Bot.26A(15): 1–14.

    Google Scholar 

  • — 1935. Über die Embryologie der Familie Rutaceae. Svensk Bot. Tidskr.29: 319–347.

    Google Scholar 

  • McDonald, C. C. 1927. A study of seed development in three species ofErigeron with special reference to apogamy. Bull. Torrey Bot. Club54: 479–497.

    Article  Google Scholar 

  • Mendes, A. J. T. 1946. Parthenogenesis, parthenocarpy and instances of abnormal fertilization inCoffea. Bragantia [Sao Paulo]6: 265–273.

    Google Scholar 

  • — 1947. A citologia e o melhoramento do cafeeiro. [Cytology and the improvement of coffee]. Bot. Sup. Serv. Café22: 236–240.

    Google Scholar 

  • -. 1949. Coffee cytology. Proc. VIII Int. Congr. Gen. Hereditas Suppl. Vol.: 628.

  • Messeri, A. 1930. Il numero dei cromosomi dell’Alliumroseum v. bulbilliferum e dell’Allium confr.odorum e nuovo esempi di rapporti fra apomissia e polyploidismo. Nuovo Giorn. Bot. Ital.37: 276–277.

    Google Scholar 

  • Miduno, T. 1940. Chromosomen-Studien an Orchidazeen. III. Über das Vorkommen von haploiden Pflanzen beiBletilla striata Reichb. f. var.gebina Reichb. f. Cytologia11. [Cited after Biol. Abstr.15: 16193. 1941].

    Google Scholar 

  • Moffett, A. A. 1931. The chromosome constitution of the Pomoideae. Proc. Roy. Soc.108: 423–446.

    Google Scholar 

  • Montemartini, L. 1899. Contributo allo studio del’anatomia del frutto e del seme delle Opunzie. Atti Ist. Bot. Univ. Pavia. II.5: 59–68. [Cited after Schnarf, 1929].

    Google Scholar 

  • Moreira, S., Gurgel, J. T. A. andArruda, L. F. de. 1947. Polyembryony inCitrus. Bragantia [Sao Paulo]7: 69–106.

    Google Scholar 

  • Moriya, A. 1950. Contributions to the cytology of the genusSaccharum. IV. Studies of chromosomes in wildSaccharum species of Formosa. Cytologia15: 237–254.

    Google Scholar 

  • Murbeck, Sv. 1901. Parthenogenetische Embryobildung in der GattungAlchemilla. Lunds Univ. Årsskr.36. Afd. 2. No. 7: 1–45.

    Google Scholar 

  • Myers, W. M. 1947. Cytology and genetics of forage grasses. Bot. Rev.13: 319–421.

    Article  Google Scholar 

  • Müntzing, A. 1928. Pseudogamie in der GattungPotentilla. Hereditas11: 267–283.

    Google Scholar 

  • — 1931. Note on the cytology of some apomicticPotentilla-species. Hereditas15: 166–178.

    Article  Google Scholar 

  • — 1933. Apomictic and sexual seed formation inPoa. Hereditas17: 131–154.

    Google Scholar 

  • — 1940. Further studies on apomixis and sexuality inPoa. Hereditas26: 115–190.

    Google Scholar 

  • — 1946. Different chromosome numbers in root tips and pollen mother cells in a sexual strain ofPoa alpina. Hereditas34: 127–129.

    Google Scholar 

  • — 1948. Accessory chromosomes inPoa alpina. Heredity2: 49–61.

    Article  PubMed  Google Scholar 

  • -. 1949. Accessory chromosomes inSecale andPoa. Proc. VIII Int. Congr. Genet., Hereditas Suppl. Vol.: 402–411.

  • — 1954. The cytological basis of polymorphism inPoa alpina. Hereditas40: 459–516.

    Article  Google Scholar 

  • - andMüntzing, G. 1941. Some new results concerning apomixis, sexuality and polymorphism inPotentilla. Bot. Not. [Lund]: 237–278.

  • — and — 1942. Recent results inPotentilla. Hereditas28: 232–235.

    Google Scholar 

  • — and — 1943. Spontaneous changes in chromosome number in apomicticPotentilla collina. Hereditas29: 451–460.

    Article  Google Scholar 

  • — and —. 1944. A pentaploid F1 hybrid between two diploidPotentilla species. Hereditas30: 631–638.

    Article  Google Scholar 

  • - and -. 1945. The mode of reproduction of hybrids between sexual and apomicticPotentilla argentea. Bot. Not. [Lund]: 49–71.

  • Nannfeldt, J. A. 1937. OnPoa jemtlandica (Almqu.) Rieht., its distribution and possible origin. Bot. Not. [Lund]: 1–27.

  • — 1940. On the polymorphy ofPoa arctica R. Br. Symb. Bot. Upsal.4(4): 1–85.

    Google Scholar 

  • Naryanaswami, S. 1940. Megosporogenesis and the origin of triploids inSaccharum. Indian Jour. Agr., Sci.10: 534–551.

    Google Scholar 

  • Nielsen, E. L. 1945. Cytology and breeding behavior of selected plants ofPoa pratensis. Bot. Gaz.106: 357–382.

    Article  Google Scholar 

  • — 1946a. Breeding behavior and chromosome numbers in progenies from twin and triplet plants inPoa pratensis. Bot. Gaz.108: 26–40.

    Article  Google Scholar 

  • — 1946b. The origin of multiple macrogametophytes inPoa pratensis. Bot. Gaz.108: 41–50.

    Article  Google Scholar 

  • Noack, K. 1939. Über Hypericum-Kreuzungen. VI. Fortpflanzungsver-hältnisse ung Bastarde vonHypericum perforatum L. Zeits. Ind. Abst. Vererb.76: 569–601.

    Article  Google Scholar 

  • Nygren, A. 1946. The genesis of some Scandinavian species ofCalamagrostis. Hereditas32: 131–262.

    Article  Google Scholar 

  • — 1948a. Further studies in spontaneous and syntheticCalamagrostis purpurea. Hereditas34: 113–134.

    Article  Google Scholar 

  • — 1948b. Some interspecific crosses inCalamagrostis and their evolutionary consequences. Hereditas34: 387–413.

    Article  Google Scholar 

  • — 1949a. Apomictic and sexual reproduction inCalamagrostis purpurea. Hereditas35: 285–300.

    Article  Google Scholar 

  • — 1949b. Studies oh vivipary in the genusDeschampsia. Hereditas35: 27–32.

    Article  Google Scholar 

  • — 1950a. Cytological and embryological studies in arcticPoae. Sym. Bot. Upsal.10(4): 1–64 + 15 pl.

    Google Scholar 

  • — 1950b. A cytological and embryological study ofAntennaria Porsildii. Hereditas36: 483–485.

    Article  Google Scholar 

  • — 1951a. Embryology ofPoa. Carnegie Inst. Wash., Year Book50: 113–115.

    Google Scholar 

  • — 1951b. Form and biotype formation inCalamagrostis purpurea. Hereditas37: 519–532.

    Article  Google Scholar 

  • — 1953. How to breed Kentucky blue grass,Poa pratensis L. Hereditas39: 51–56.

    Article  Google Scholar 

  • — 1954. Investigations on North AmericanCalamagrostis. Hereditas40: 377–397.

    Article  Google Scholar 

  • Oehler, E. 1927. Entwicklungsgeschichtlich-zytologische Untersuchungen an einigen saprophytischen Gentianaceen. Planta3: 641–733.

    Article  Google Scholar 

  • Oka, H. T. 1935. Zytologische Beobachtungen über eine Mutantensippe vonErigon annuus. Jap. Jour. Genet.10: 237–241.

    Article  Google Scholar 

  • Okabe, S. 1930. Über Parthenogenesis beiHouttuynia cordata. Jap. Jour. Genet.6: 14–19.

    Article  Google Scholar 

  • — 1932. Parthenogenesis beiIxeris dentata. Bot. Mag. Tokyo46: 518–523.

    Google Scholar 

  • Oldén, E. J. 1953. Sexual and apomictic seed formation inMalus Sieboldii Rehd. Bot. Not. [Lund] 105–128.

  • Orr, M. Y. 1923. Polyembryony inSarcococca ruscifolia Stapf. Roy. Bot. Gard. Edinburgh, Notes14: 21–23. [Cited after Schnarf, 1929].

    Google Scholar 

  • Osawa, J. 1912. Cytological and experimental studies inCitrus. Jour. Coll. Agr., Imp. Univ. Tokyo4: 83–116.

    Google Scholar 

  • Ostenfeld, C. H. 1912. Experiments on the origin of species in the genusHieracium (apogamy and hybridism). New Phytol.11: 347–354.

    Article  Google Scholar 

  • Pace, L. 1913. Apogamy inAtamosco. Bot. Gaz.56: 376–394.

    Article  Google Scholar 

  • Palmer, E. J. 1932. TheCrataegus problem. Jour. Arn. Arb.13: 342–362.

    Google Scholar 

  • Perry, B. A. 1943. Chromosome numbers and phylogenetic relationships in the Euphorbiaceae. Am. Jour. Bot.30: 527–543.

    Article  Google Scholar 

  • Peter, J. 1920. Zur Entwicklungsgeschichte einiger Calycanthaceen. Beitr. Biol. Pfl.14: 59–84.

    Google Scholar 

  • Pijl, L. van der. 1934. Über die Polyembryonie beiEugenia. Rec. Trav. Bot. Néerl.31: 113–187.

    Google Scholar 

  • Poddubnaja-Arnoldi, W. A. 1933. Geschlechtliche unde ungeschlechtliche Fortpflanzung bei einigenChondrilla-Arten. Planta19: 46–86.

    Article  Google Scholar 

  • — 1939. Development of pollen and embryosac in interspecific hybrids ofTaraxacum. Compt. Rend. Acad. Sci. [URSS]24: 374–377.

    Google Scholar 

  • Poddubnaja-Arnoldi, V. andDianowa, V. 1934. Eine zytoembryologische Untersuchung einiger Arten der GattungTaraxacum. Planta23: 19–46.

    Article  Google Scholar 

  • Popoff, A. 1935. Über die Fortpflanzungsverhältnisse der GattungPotentilla. Planta24: 510–522.

    Article  Google Scholar 

  • Porsild, M. P. 1915. On the genus Antennaria in Greenland. Medd. om Grønland51: 265–281.

    Google Scholar 

  • Powers, L. 1945. Fertilization without reduction in guayule (Parthenium argentatum Gray) and a hypothesis as to the evolution of apomixis and polyploidy. Genetics30: 323–346.

    PubMed  CAS  Google Scholar 

  • — andGardner, E. J. 1945. Frequency of aborted pollen grains and microcytes in guayule,Parthenium argentatum Gray. Jour. Am. Soc. Agron.37: 184–193.

    Google Scholar 

  • — andRollins, R. C. 1945. Reproduction and pollination studies on guayule,Parthenium argentatum Gray andP. incanum H.B.K. Jour. Am. Soc. Agron.37: 96–112.

    Google Scholar 

  • Raghavan, T. S. 1951. The sugarcanes of India. Jour. Hered.42: 199–206.

    Google Scholar 

  • Rancken, G. 1934. Zytologische Untersuchungen an einigen wirtschaftlich wertvollen Wiesengräsern. Acta Agralia Fennica29: 1–92.

    Google Scholar 

  • Rollins, R. C. 1945a. Interspecific hybridization inParthenium. I. Crosses between Guayule (P. argentatum) and Mariola (P. incanum). Am. Jour. Bot.32: 395–404.

    Article  Google Scholar 

  • — 1945b. Evidence for genetic variation among apomictically produced plants of several F1 progenies of Guayule (Parthenium argentatum) and Mariola (P. incanum). Am. Jour. Bot.32: 554–560.

    Article  Google Scholar 

  • — 1949. Sources of genetic variation inParthenium argentatum Gray (Compositae). Evolution3: 358–368.

    Article  PubMed  CAS  Google Scholar 

  • Rosenberg, O. 1907. Cytological studies on the apogamy inHieracium. Bot. Tidskr. [Köbenhavn]28: 143–170.

    Google Scholar 

  • — 1912. Über die Apogamie beiChondrilla juncea. Svensk Bot. Tidskr.6: 915–919.

    Google Scholar 

  • — 1917. Die Reduktionsteilung und ihre Degeneration inHieracium. Svensk Bot. Tidskr.11: 145–206.

    Google Scholar 

  • — 1927. Die semiheterotypische Teilund und ihre Bedeutung für die Entstehung verdoppelter Chromosomenzahlen. Hereditas8(1926–1927): 305–338.

    Article  Google Scholar 

  • — 1930. Apogamie und Parthenogenesis bei Pflanzen. Handb. Vererb. Wiss., Lieferung12: 1–66.

    Google Scholar 

  • Rozanova, M. A. 1932. Versuch einer analytischen Monographie der conspeciesRanunculus auricomus Korsh. Trav. Inst. Sci. Nat. Peterhof8: 19–148.

    Google Scholar 

  • Rutishauser, A. 1943a. Konstante Art- und Rassenbastarde in der GattungPotentilla. Mitt. Naturf. Ges. Schaffhausen18: 111–134.

    Google Scholar 

  • — 1943b. Über die Entwicklungsgeschichte pseudogamer Potentillen. Arch. Julius Klaus-Stiftung18: 687–691.

    Google Scholar 

  • — 1943c. Untersuchungen über die Fortpflanzung und Bastardbildung apomiktischer Potentillen. Ber. Schweiz. Bot. Ges.53: 1–83.

    Google Scholar 

  • — 1945a. Über die Fortpflanzung einiger Bastarde von pseudogamen Potentillen. Arch. Julius Klaus-Stiftung Ergänzungsband zu Band20: 300–314.

    Google Scholar 

  • — 1945b. Zur Embryologie amphimiktischer Potentillen. Ber. Schweiz. Bot. Ges.55: 19–32.

    Google Scholar 

  • — 1946. Über Kreuzungsversuche mit pseudogamen Potentillen. Sechster Jahresber. Schweiz. Ges. Vererb. S.S.G., Arch. d. Julius Klaus-Stiftung f. Ver., Soz. und Rass21: 469–472.

    CAS  Google Scholar 

  • — 1947. Untersuchungen über die Genetik der Aposporie bei pseudogamen Potentillen. Experientia3: 204.

    Article  CAS  PubMed  Google Scholar 

  • — 1948. Pseudogamie und Polymorphic in der GattungPotentilla. Arch. Julius Klaus-Stiftung Ver., Soz. Rass.23: 267–424 + 2 pl.

    Google Scholar 

  • — 1949. Untersuchungen über Pseudogamie und Sexualität einiger Potentillen. Ber. Schweiz. Bot. Ges.59: 409–419.

    Google Scholar 

  • — undHundziker, H. R. 1950. Untersuchungen über die Zytologie des Endosperms. Arch. Julius Klaus-Stiftung Ver., Soz. Rass.25: 477–483.

    Google Scholar 

  • Sakal, K. 1934. Studies on the chromosome number in Alpine-plants. I. Jour. Genet.9: 226–230.

    Article  Google Scholar 

  • Sax, K. 1931. The origin and relationships of the Pomoideae. Jour. Arn. Arb.12: 3–22.

    Google Scholar 

  • — 1932. Chromosome relationships in the Pomoideae. Jour. Am. Arb.13: 363–367.

    Google Scholar 

  • Schnarf, K. 1919. Beobachtungen über die Endospermentwicklung vonHieracium aurantiacum. Sitzb. Akad. Wiss. Wien. Math.-Nat. Kl. I.128: 755–771.

    Google Scholar 

  • -. 1929. Embryologie der Angiospermen. Handb. Pflanzenanat. 690 pp.

  • Schlimbach, H. 1924. Beiträge zur Kenntnis der Samenanlagen und Samen der Amaryllidaceen mit Berücksichtigung des Wassergehates der Samen. Flora117: 41–54.

    Google Scholar 

  • Schoch, M. 1920. Entwicklungsgeschichtlich-cytologische Untersuchungen über die Pollenbildung und Bestäubung bei einigen Burmannia-Arten. Diss. Zürich. 95 pp.

  • Schürhoff, P. N. 1923. Zur Apogamie vonCalycanthus. Flora116: 73–84.

    Google Scholar 

  • — andJüssen, F. J. 1925. Nuzellarembryonie beiSpathiphyllum Patinii (Hogg.) N.E. Br. Ber. Deut. Bot. Ges.43: 454–456.

    Google Scholar 

  • Shibata, K. andMiyake, K. 1908. Über Parthenogenesis beiHouttuynia cordata. Bot. Mag. Tokyo22: 141–144.

    Google Scholar 

  • Shimotomai, N. 1930. Chromosomenzahlen und Phylogenie bei der GattungPotentilla. Hiroshima Univ., Jour. Sci. B. 2.1: 1–11.

    Google Scholar 

  • Simonet, M. andMiedzyrzecki, Ch. 1932. Étude caryologique de quelques espèces arborescentes ou sarmenteuses d’ornement. Compt. Rend. Soc. Biol. [Paris]111: 969–973.

    Google Scholar 

  • Skalinska, M. 1952. Cyto-ecological studies inPoa alpina L. var.vivipara L. Bull. Acad. Polon. Sci. et Lett., Sci. Math. et Nat. B. Sci. Nat. (1)253-283 + 1 pl.

  • Skovsted, A. 1934. Cytological studies in the tribe Saxifrageae. Dansk Bot. Ark.8(5): 1–52.

    Google Scholar 

  • Smith, B. W. 1948. Hybridity and apomixis in the perennial grass,Paspalum dilatatum. Genetics33: 628–629.

    PubMed  CAS  Google Scholar 

  • Snyder, L. A. andHarlan, J. R. 1953. A cytological study ofBouteloua gracilis from western Texas and eastern New Mexico. Am. Jour. Bot.40: 702–707.

    Article  Google Scholar 

  • Society for encouraging the cultivation of malting barley and hops in France, Secobrah. Rep.1944: 74.

  • Söderberg, E. 1927. Über die Chromosomenzahl vonHouttuynia cordata. Svensk Bot. Tidskr.21: 247–250.

    Google Scholar 

  • — 1929. Bemerkungen zur Nomenklatur der parthenogenetischenErigeron-Arten. Svensk Bot. Tidskr.23: 261–262.

    Google Scholar 

  • Sörensen, Th. 1938. Ranunkelstudier. II. Om variation og nedarvningsforhold hosRanunculus auricomus L. Bot. Tidskr.44: 433–438.

    Google Scholar 

  • — andGudjónsson, G. 1946. Spontaneous chromosome-aberrants in apomictic Taraxaca. Kong. Danske Vid. Selsk. Biol.4(2): 1–48.

    Google Scholar 

  • Sprecher, M. A. 1919. Étude sur la sémence et la germination duGarcinia mangostana L. Rev. Gén. Bot.31: 513–531, 611–634.

    Google Scholar 

  • Stebbins, G. L., Jr. 1932a. Cytology ofAntennaria. I. Normal species. Bot. Gaz.94: 134–151.

    Google Scholar 

  • — 1932b. Cytology ofAntennaria. II. Parthenogenetic species. Bot. Gaz.94: 322–344.

    Article  Google Scholar 

  • — 1935. New species ofAntennaria from the Appalachian region. Rhodora37: 229–237.

    Google Scholar 

  • — 1941. Apomixis in the angiosperms. Bot. Rev.7: 507–542.

    Article  Google Scholar 

  • -. 1950. Variation and evolution in plants. 643 pp.

  • — andJenkins, J. A. 1939. Aposporie development in the North American species ofCrepis. Genetica21: 191–224.

    Article  Google Scholar 

  • Steil, W. N. 1951. Apogamy, apospory and parthenogenesis in the pteridophytes. II. Bot. Rev.17: 90–104.

    Article  Google Scholar 

  • Stenar, H. 1932a. Studien über die Entwicklungsgeschichte vonNothoscordum fragrans Kunth undN. striatum Kunth. Svensk Bot. Tidskr.26: 25–44.

    Google Scholar 

  • — 1932b. Parthenogenesis in der GattungCalamagrostis. Arkiv. Bot.25A(6): 1–8.

    Google Scholar 

  • Strasburger, Ed. 1878. über Polyembryonie. Jen. Zeits. Naturw.12: 647–670.

    Google Scholar 

  • Subba Rao, A. M. 1940. Studies in the Malphigiaceae. I. Embryo sac development and embryogeny in the generaHiptage, Banisteria andStigmatophyllum. Jour. Indian Bot. Soc.18: 145–156. [Cited after Biol. Abstr.15: 19328. 1941].

    Google Scholar 

  • Subramaniam, C. L. 1946. Cytological behaviour of certain parthenogenetic sugarcanes. M.Sci. thesis, Madras Univ.

  • Suessenguth, K. Über die Pseudogamie beiZygopetalum Mackayi Hook. Ber. Deut. Bot. Ges.41: 16–23.

  • Sukačev, V. N. 1940. Polymorphismus und Apomixis bei Arten der GattungAdenophora. Jour. Bot. URSS25: 297–303. [Cited after Bot. Zentralb.85: 168. 1941–42].

    Google Scholar 

  • Sutô, T. 1936. List of chromosome number and idiogram types in Liliaceae and Amaryllidaceae. Jap. Jour. Genet.12: 107–112, 157–162, 221–231.

    Google Scholar 

  • Swamy, G. L. 1946a. The embryology ofZeuxine sulcata Lindl. New Phytol.45: 132–136.

    Article  Google Scholar 

  • — 1946b. Embryology ofHabenaria. Proc. Nat. Inst. Sci. India12(8): 413–426.

    Google Scholar 

  • Tahara, M. 1921. Cytologische Studien an einigen Kompositen. Imp. Univ. Tokyo, Jour. Coll. Sci.43(7): 1–51.

    Google Scholar 

  • Tinney, F. W. 1940. Cytology of parthenogenesis inPoa pratensis. Jour. Agr. Res.60: 351–360.

    Google Scholar 

  • Tischler, G. 1935–1936. Pflanzliche Chromosomenzahlen. Nachtrag Nr. 2, Teil I and II. Tab. Biol. Period. V/VI.

  • Tiwary, N. K. 1926. On the occurrence of polyembryony in the genusEugenie. Jour. Indian Bot. Soc.5. [Cited after Pijl, 1934].

  • -. 1929. Further observations on the seeds and seedlings ofEugenia Jambolana Lamk. Jour. Indian Bot. Soc.8. [Cited after Pijl, 1934].

  • Toxopeus, H. J. 1936. Die Züchtung von Unterlagen fürCitrus sinensis Osb. immun gegenPhytophtora parasitica, die Ursache der “gumdisease” in Japan. Der Züchter8: 1–10.

    Google Scholar 

  • Traub, H. P. 1938. Artificial control of nucellar embryony inCitrus. Science83: 165–166. [Cited after Bacchi, 1943].

    Article  Google Scholar 

  • Tschermak-Woess, E. 1949. DiploidesTaraxacum vulgare in Wien und Niedenösterreich. Öst. Bot. Teilschr.96: 56–63.

    Article  Google Scholar 

  • Turesson, G. 1926. Studien überFestuca ovina L. I. Normalgeschlechtliche, halb- und ganzvivipare Typen nordischer Herkunft. Hereditas8: 161–206.

    Article  Google Scholar 

  • — 1930. Studien überFestuca ovina L. II. Chromosomenzahl und Viviparie. Hereditas13: 177–184.

    Article  Google Scholar 

  • — 1931. Studien überFestuca ovina L. III. Weitere Beiträge zur Kenntnis der Chromosomenzahlen viviparer Formen. Hereditas15: 13–16.

    Article  Google Scholar 

  • — 1938. Chromosome stability in Linnean species. Ann. Agr. Coll. Sweden5: 405–416.

    Google Scholar 

  • Turrill, W. B. 1938. Material for a study of taxonomic problems inTaraxacum. Bot. Soc. & Exch. Club of the Brit. Isl.11: 570–589.

    Google Scholar 

  • Tysdal, H. M. 1950. Apomictic interspecific hybrids are promising for rubber production from guayule. Agron. Jour.42: 351–359.

    Google Scholar 

  • Vignoli, L. 1936. Cariologia del genereAgave. Lav. Ist. Bot. Palermo7: 1–44.

    Google Scholar 

  • — 1937a. Cariologia del genereAgave. Nota II. Lav. Ist. Bot. Palermo8: 1–6.

    Google Scholar 

  • — 1937b. Grandezza cellulare e poliploidia inAgave. Lav. Ist. Bot. Palermo8: 88–106.

    Google Scholar 

  • Waldo, G. F. andDarrow, G. M. 1948. Origin of the logan and the mammoth blackberries. Jour. Hered.39: 99–107.

    Google Scholar 

  • Warmke, H. E. 1951. Cytotaxonomic investigations of some varieties ofPanicum maxicum andP. purpurascens in Puerto Rico. Agron. Jour.43: 143–491.

    Google Scholar 

  • — 1954. Apomixis inPanicum maximum. Am. Jour. Bot.41: 5–11.

    Article  Google Scholar 

  • Webber, H. J. 1931. The economic importance of apogamy inCitrus andMangifera. Proc. Am. Soc. Hort. Sci.28: 57–61.

    Google Scholar 

  • Webber, J. M. 1940. Polyembryony. Bot. Rev.6: 575–598.

    Article  CAS  Google Scholar 

  • Wicherley, P. R. 1953. Proliferation of spikelets in British grasses. Watsonia3: 41–56.

    Google Scholar 

  • Wiger, J. 1930. Ein neuer Fall von autonomer Nuzellarpolyembryonie. Bot. Not. [Lund]: 368–370.

  • -. 1935. Embryological studies on the families Buxaceae, Meliaceae, Simarubaceae and Burseraceae. Diss. Lund. 130 pp.

  • Woodworth, R. H. 1930. Cytological studies in the Betulaceae. III. Parthenogenesis and polyembryony inAlnus rugosa. Bot. Gaz.89: 402–409.

    Article  Google Scholar 

  • Young, D. P. 1953. AutogamousEpipactis in Scandinavia. Bot. Not. [Lund]: 233–270.

  • Zarubin, A. F. 1949. Possibility of parthenogenesis in walnut and black walnut. Priroda, No. 10: 64–65.

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    Axel Nygren

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Supplement to article in The Botanical Review 7: 507–S42. 1941. EMC = endosperm mother cell; ES = embryo sac; PMC = pollen mother cell.

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Nygren, A. Apomixis in the angiosperms. II. Bot. Rev 20, 577–649 (1954). https://doi.org/10.1007/BF02958805

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