1. Ultrastructure of the early stages of carposporophyte development in the red algaChondria tenuissima (Rhodomelaceae, Ceramiales)

   • I. Tsekos
   • E. Schnepf

   OriginalPaper Pages: 1 - 18

2. Interspecific differences in differentiation and dedifferentiation patterns in the genusNicotiana

   • P. Bogani
   • M. Buiatti
   • A. Scala

   OriginalPaper Pages: 19 - 29

3. Infraspecific variation in C-banded karyotype and chiasma frequency inCucumis sativus (Cucurbitaceae)

   • C. Ramachandran
   • W. A. Brandenburg
   • A. P. M. den Nijs

   OriginalPaper Pages: 31 - 41

4. Gynodioecy inSaxifraga granulata L. (Saxifragaceae)

   • D. P. Stevens
   • A. J. Richards

   OriginalPaper Pages: 43 - 54

5. Patterns of fruit and seed production inBauhinia ungulata (Leguminosae)

   • C. J. Webb
   • K. S. Bawa

   OriginalPaper Pages: 55 - 65

6. Upper limits of temperature for growth inChlorella (Chlorophyceae)

   • Erich Kessler

   OriginalPaper Pages: 67 - 71

7. Revision of the genusOxylobus (Asteraceae-Eupatorieae)

   • B. L. Turner
   • Kathleen M. Kerr

   OriginalPaper Pages: 73 - 87

8. Karyotaxonomic study of some species ofPeucedanum (Umbelliferae)

   • N. M. Solov'eva
   • M. G. Pimenov
   • V. D. Turkov

   OriginalPaper Pages: 89 - 101

9. Modifiers of heterocarpy determine capitulum size inMicroseris hybrid D 14 (Asteraceae — Lactuceae)

   • J. Zentgraf
   • K. Bachmann
   • H. J. Price

   OriginalPaper Pages: 103 - 119

10. Morphology, biology, and systematic relationships ofDesmaria (Loranthaceae)

    • Job Kuijt

    OriginalPaper Pages: 121 - 130

11. Allozyme divergence and evolution in the genusLens

    • Ronit Pinkas
    • Daniel Zamir
    • Gideon Ladizinsky

    OriginalPaper Pages: 131 - 140

12. A newFerulago (Apiaceae) species from Turkey

    • Ömer Saya
    • Mahmut Miski

    Short Communication Pages: 141 - 143