1. In memoriam Lothar Geitler

   Announcement Pages: i - ii

2. A study of genetic diversity among host-specific populations of the witchweedStriga hermonthica (Scrophulariaceae) in Africa

   • Bharathalakshmi
   • Charles R. Werth
   • Lytton J. Musselman

   OriginalPaper Pages: 1 - 12

3. Chemotaxonomic study of the genusTabernaemontana (Apocynaceae) based on their indole alkaloid content

   • J. -P. Zhu
   • A. Guggisberg
   • M. Hesse

   OriginalPaper Pages: 13 - 34

4. Pollination biology of two species ofKielmeyera (Guttiferae) from Brazilian cerrado vegetation

   • Paulo Eugênio A. M. de Oliveira
   • Marlies Sazima

   OriginalPaper Pages: 35 - 49

5. A phenetic comparison of someFumaria spp. (Fumariaceae)

   • J. Bastow Wilson
   • Michael G. Daker
   • John P. Savidge

   OriginalPaper Pages: 51 - 63

6. Chloroplast DNA diversity in the genusRubus (Rosaceae) revealed by Southern hybridization

   • R. Waugh
   • W. T. G. van de Ven
   • W. Powell

   OriginalPaper Pages: 65 - 75

7. Self-incompatibility inCrocus vernus subsp.vernus (Iridaceae)

   • G. Chichiriccò

   OriginalPaper Pages: 77 - 82

8. A phylogenetic analysis of chloroplast DNA restriction site variation inPoaceae subfam.Pooideae

   • R. J. Soreng
   • J. I. Davis
   • J. J. Doyle

   OriginalPaper Pages: 83 - 97

9. A phylogenetic and allozyme approach to understanding rarity in three “green ash” eucalypts (Myrtaceae)

   • S. Prober
   • J. C. Bell
   • G. Moran

   OriginalPaper Pages: 99 - 118

10. On the stomata ofSalvinia herzogii (Salviniaceae, Pteridophyta)

    • E. R. de la Sota
    • Liliana A. Cassa de Pazos

    OriginalPaper Pages: 119 - 125

11. Ribosomal RNA genes inQuercus spp. (Fagaceae)

    • R. Bellarosa
    • V. Delre
    • F. Maggini

    OriginalPaper Pages: 127 - 139

12. Giemsa C-banded karyotypes of diploid and tetraploidHordeum bulbosum (Poaceae)

    • Ib Linde-Laursen
    • Roland von Bothmer
    • Niels Jacobsen

    OriginalPaper Pages: 141 - 150

13. Rumex subgen.Rumex sect.Axillares (Polygonaceae) in South America

    • K. H. Rechinger

    OriginalPaper Pages: 151 - 192

14. Restriction fragment length polymorphisms in the genusActinidia (Actinidiaceae)

    • R. N. Crowhurst
    • R. Lints
    • R. C. Gardner

    OriginalPaper Pages: 193 - 203

15. Evolution of the tetraploidCapsella bursa-pastoris (Brassicaceae): Isoelectric focusing analysis of Rubisco

    • K. Mummenhoff
    • H. Hurka

    OriginalPaper Pages: 205 - 213

16. Heterostyly in species ofNarcissus (Amaryllidaceae) andHugonia (Linaceae) and other disputed cases

    • D. G. Lloyd
    • C. J. Webb
    • R. Dulberger

    OriginalPaper Pages: 215 - 227

17. Aspects of floral structure and phenology in the genusConophytum (Mesembryanthemaceae)

    • Sigrid Liede
    • Steven Hammer

    OriginalPaper Pages: 229 - 240

18. Meiosis, spindle pole body cycle, and taxonomy of the heterobasidiomycetePachnocybe ferruginea

    • R. Bauer
    • F. Oberwinkler

    OriginalPaper Pages: 241 - 261

19. Robertsonian change in allies ofZebrina (Commelinaceae)

    • K. Jones

    OriginalPaper Pages: 263 - 271