1. Sectional relationships in the genus Rhododendron (Ericaceae): evidence from matK and trnK intron sequences

   • Y. Kurashige
   • J.-I. Etoh
   • T. Yukawa

   Pages: 1 - 14

2. Seed morphology and its systematic significance in some Veronica species (Scrophulariaceae) mainly from the Western Mediterranean

   • Ma. M. Martínez-Ortega
   • E. Rico

   Pages: 15 - 32

3. A reassessment of Normania and Triguera (Solanaceae)

   • L. Bohs
   • R. G. Olmstead

   Pages: 33 - 48

4. Hawkmoth pollination of the African epiphytic orchid Mystacidium venosum, with special reference to flower and pollen longevity

   • R. Luyt
   • S. D. Johnson

   Pages: 49 - 62

5. The generic placement of a morphologically enigmatic species in Asteraceae: evidence from ITS sequences

   • D. J. Crawford
   • R. T. Kimball
   • Mesfin Tadesse

   Pages: 63 - 69

6. Allozymic diversity of Allium tricoccum (Ait.) Solander var. burdickii Hanes in isolated populations of Nova Scotia (Canada)

   • L. Vasseur

   Pages: 71 - 79

7. Development of the exineless pollen wall in Callitriche truncata (Callitrichaceae) and the evolution of underwater pollination

   • J. M. Osborn
   • G. El-Ghazaly
   • R. L. Cooper

   Pages: 81 - 87

8. Inclusion of Tenaris and Macropetalum in Brachystelma (Apocynaceae-Asclepiadoideae-Ceropegieae) inferred from non-coding nuclear and chloroplast DNA sequences

   • U. Meve
   • S. Liede

   Pages: 89 - 105

9. Further evidence for paraphyly of the Celtidaceae from the chloroplast gene matK

   • B.-H. Song
   • X.-Q. Wang
   • D.-Y. Hong

   Pages: 107 - 115

10. Book reviews

    Pages: 117 - 121