1. Allozyme diversity and systematics inAnnonaceae—a pilot project

   • Rosabelle Samuel
   • Wilhelm Pinsker
   • Wilfried Morawetz

   OriginalPaper Pages: 125 - 134

2. Genetic differentiation without concordant morphological divergence in the thallose liverwortConocephalum conicum

   • Ireneusz J. Odrzykoski
   • Jerzy Szweykowski

   OriginalPaper Pages: 135 - 152

3. Pollination of four sympatric species ofAngelonia (Scrophulariaceae) by oil-collecting bees in NE. Brazil

   • Stefan Vogel
   • Isabel Cristina Machado

   OriginalPaper Pages: 153 - 178

4. Androecium and floral nectaries ofHarungana madagascariensis (Clusiaceae)

   • L. P. Ronse Decraene
   • E. Smets

   OriginalPaper Pages: 179 - 194

5. The developmental morphology ofIndotristicha ramosissima (Podostemaceae, Tristichoideae)

   • R. Rutishauser
   • K. A. Huber

   OriginalPaper Pages: 195 - 223

6. Quantitative nuclear DNA changes inEleusine (Gramineae)

   • S. C. Hiremath
   • S. S. Salimath

   OriginalPaper Pages: 225 - 233

7. Polyploidy and aneuploidy inOphrys, Orchis, andAnacamptis (Orchidaceae)

   • P. Bianco
   • S. D'Emerico
   • L. Ruggiero

   OriginalPaper Pages: 235 - 245

8. Geographical variation and genetic analysis of leaf shape inCrepis tectorum (Asteraceae)

   • Stefan Andersson

   OriginalPaper Pages: 247 - 258

9. Paulownia taiwaniana, a hybrid betweenP. fortunei andP. kawakamii (Scrophulariaceae)

   • Tsan-Piao Lin
   • Ying-Seng Wang

   OriginalPaper Pages: 259 - 269