Beiträge zur Entwicklungsgeschichte und Taxonomie einigerAchnanthes-Arten, SubgenusMicroneis (Bacillariophyceae) Lothar Geitler OriginalPaper Pages: 1 - 10
Transcription and processing of rRNA in higher plant cells (Daucus carota, Petroselinum crispum, Acer pseudoplatanus) Ursula Seitz OriginalPaper Pages: 11 - 21
Contribution to the orchid flora of South Central Africa Graham Williamson OriginalPaper Pages: 53 - 77
Ontogeny, function and evolution of extreme floral construction inMonimiaceae Peter K. Endress OriginalPaper Pages: 79 - 120
The embryo sac ofPodostemum subulatus (Podostemaceae) — a reinvestigation C. R. NagendranV. V. AnandG. D. Arekal OriginalPaper Pages: 121 - 125
New endemic taxa ofAsperula sect.Cynanchicae (Rubiaceae) from the East Aegean Islands Eva Schönbeck-TemesyFriedrich Ehrendorfer Short Communication Pages: 133 - 135