1. Biometrical analysis on populations ofOrchis israelitica, O. caspia, and their hybrids (Orchidaceae)

   • Amots Dafni
   • Helmut Baumann

   OriginalPaper Pages: 87 - 94

2. Blühverhalten und Bestäubungsbiologie vonCarludovica palmata (Cyclanthaceae) — ein ökologisches Paradoxon

   • Fritz Schremmer

   OriginalPaper Pages: 95 - 107

3. The possible polyphyletic origin of copper tolerance inAgrostis tenuis (Gramineae)

   • Michael K. Nicholls
   • Thomas McNeilly

   OriginalPaper Pages: 109 - 117

4. Taxonomy ofNeurolaena (Asteraceae-Heliantheae)

   • B. L. Turner

   OriginalPaper Pages: 119 - 139

5. Alcohol dehydrogenase isozymes inGossypium hirsutum and its putative diploid progenitors: The biochemical consequences of enzyme multiplicity

   • James F. Hancock

   OriginalPaper Pages: 141 - 149

6. Caloplaca sect.Xanthoriella, sect. nov.: Untersuchungen über die „Xanthoria lobulata-Gruppe“ (Lichenes,Teloschistaceae)

   • Maximilian Steiner
   • Josef Poelt

   OriginalPaper Pages: 151 - 177

7. Karyotype variation inAllium commutatum (Liliaceae s. lato)

   • Roland von Bothmer

   OriginalPaper Pages: 179 - 189

8. Substructural morphogenesis of the spindle apparatus in meiotic basidia ofCoprinus micaceus (Agaricales)

   • Charlotte Thielke

   OriginalPaper Pages: 191 - 205

9. Verteilung und Aufteilung der DNS bei einigen Cyanophyceen, festgestellt durch ihre DAPI-Fluoreszenz

   • Elisabeth Tschermak-Woess
   • Alfred Schöller

   OriginalPaper Pages: 207 - 223

10. The systematics ofLinum sect.Linopsis (Linaceae)

    • C. M. Rogers

    OriginalPaper Pages: 225 - 234

11. Different substitution tendencies of leaf flavones in theVeronica hederifolia group (Scrophulariaceae)

    • Dimitar R. Peev

    Short Communication Pages: 235 - 242