Pollination biology of annual and perennialLeonotis species (Lamiaceae) W. T. VosT. J. EdwardsJ. van Staden OriginalPaper Pages: 1 - 9
Phylogenetic relationships of theJuglandaceae L. E. GunterG. KochertD. E. Giannasi OriginalPaper Pages: 11 - 29
On the ascus types in thePhysciaceae (Lecanorales) Gerhard RamboldHelmut MayrhoferMario Matzer OriginalPaper Pages: 31 - 40
Chromosome doubling inTurnera ulmifolia (Turneraceae) induced by regeneration of plants from in vitro cultured leaf explants Graciela LaviaAveliano FernandezGisela Marquez OriginalPaper Pages: 41 - 48
Genetic diversity in and phylogenetic relationships of the Brazilian endemic cotton,Gossypium mustelinum (Malvaceae) Jonathan F. WendelRobb RowleyJames McD. Stewart OriginalPaper Pages: 49 - 59
A new species ofPhlox (Polemoniaceae) from northern Mexico with an expanded circumscription of subsectionDivaricatae L. Alan Prather OriginalPaper Pages: 61 - 66
Electrophoretic patterns of seed albumins in the Old-WorldLupinus species (Fabaceae): Variation in the 2S albumin class B. P. SalmanowiczJ. Przybylska OriginalPaper Pages: 67 - 78
Floral structure and evolution of primitive angiosperms: Recent advances Peter K. Endress OriginalPaper Pages: 79 - 97
Floral biology and pollination in stapeliads — new results and a literature review U. MeveS. Liede OriginalPaper Pages: 99 - 116
Intraspecific karyotype divergence inTriticum araraticum (Poaceae) E. D. BadaevaN. S. BadaevA. A. Filatenko OriginalPaper Pages: 117 - 145
To bee or not to bee?: The pollination biology ofApios americana (Leguminosae) Anne BruneauGregory J. Anderson Short communication Pages: 147 - 149