1. El géneroJacquinia L. (Theophrastaceae) en Cuba

   • Attila Borhidi
   • Onaney Muñiz

   OriginalPaper Pages: 1 - 11

2. Entwicklungsgeschichte und Ultrastruktur des Pollenkitts beiTilia (Tiliaceae)

   • Michael Hesse

   OriginalPaper Pages: 13 - 30

3. Rates of cross-pollination inLycopersicon pimpinellifolium: Impact of genetic variation in floral characters

   • Charles M. Rick
   • Miguel Holle
   • Robbin W. Thorp

   OriginalPaper Pages: 31 - 44

4. Embryology ofHeliotropium scabrum andH. strigosum (Boraginaceae)

   • Tasneem Fathima Khaleel

   OriginalPaper Pages: 45 - 62

5. Quantitative analyses of C-banded karyotypes, and systematics in the cultivated species of theScilla siberica group (Liliaceae)

   • Johann Greilhuber
   • Franz Speta

   OriginalPaper Pages: 63 - 109

6. Adaptive polymorphism inIpomoea pes-tigridis (Convolvulaceae), a common rainy season weed of the Indian arid zone

   • Pukhraj Bhati
   • David N. Sen

   OriginalPaper Pages: 111 - 117

7. Pappus part number in annual species ofMicroseris (Compositae, Cichoriaceae)

   • Konrad Bachmann
   • Kenton L. Chambers

   OriginalPaper Pages: 119 - 134

8. Chrysosphaerella (Pseudochrysosphaerella)solitaria, spec. nova (Chrysophyceae)

   • Hans R. Preisig
   • Eiji Takahashi

   OriginalPaper Pages: 135 - 142