1. Phytochemical variation inCondalia microphylla (Rhamnaceae)

   • J. A. Zygadlo
   • C. A. Guzman

   OriginalPaper Pages: 109 - 114

2. Karyological differentiation and speciation in C. MediterraneanAnacamptis (Orchidaceae)

   • Carlo del Prete
   • Pietro Mazzola
   • Paola Miceli

   OriginalPaper Pages: 115 - 123

3. Chromosomal C-band variation inAllium schœnoprasum (Liliaceae) in eastern North America

   • Bernard Tardif
   • Pierre Morisset

   OriginalPaper Pages: 125 - 137

4. Aestival and autumnal vicariads ofGentianella (Gentianaceae): A myth?

   • H. J. Zopfi

   OriginalPaper Pages: 139 - 158

5. An analysis of the B genome speciesArachis batizocoi (Fabaceae)

   • H. T. Stalker
   • J. S. Dhesi
   • D. C. Parry

   OriginalPaper Pages: 159 - 169

6. Ultrastructural analysis of sporoderm development in megaspores ofSelaginella galeottii (Lycophyta)

   • W. A. Taylor

   OriginalPaper Pages: 171 - 182

7. Sex ratio variation and spatial segregation of the sexes in populations ofRumex acetosa andR. acetosella (Polygonaceae)

   • Helena Korpelainen

   OriginalPaper Pages: 183 - 195

8. New taxa ofRubiaceae-Rubieae from Iran

   • Eva Schönbeck-Temesy

   OriginalPaper Pages: 197 - 211

9. An embryological study ofPlatanthera bifolia (Orchidaceae)

   • Margit Fredrikson

   OriginalPaper Pages: 213 - 220