1. Hybridization between South American Jarilla and North American diploid creosotebush (Larrea, Zygophyllaceae)

   • T. W. Yang
   • J. H. Hunziker
   • C. A. Naranjo

   OriginalPaper Pages: 331 - 346

2. Die Gruppe derLaccaria laccata (Agaricales)

   • Rolf Singer

   OriginalPaper Pages: 347 - 370

3. S-type sieve-element plastids and anthocyanins inVivianiaceae: Evidence against its inclusion intoCentrospermae

   • H. -Dietmar Behnke
   • Tom J. Mabry

   OriginalPaper Pages: 371 - 375

4. Entwicklungsgeschichtliche Eigentümlichkeiten einigerAchnanthes-Arten (Diatomeae)

   • Lothar Geitler

   OriginalPaper Pages: 377 - 392

5. Oriole pollination ofErythrina breviflora (Leguminosae): Evidence for a polytypic view of ornithophily

   • Robert William Cruden
   • Victor Manuel Toledo

   OriginalPaper Pages: 393 - 403

6. Ein Endemit Zyperns:Asperula cypria (Rubiaceae) und seine Verwandtschaft

   • Friedrich Ehrendorfer

   OriginalPaper Pages: 405 - 408

7. Dobzhansky memorial prize

   Legacy Pages: i - i

8. Errata

   Erratum Pages: i - i