1. Chemotaxonomy of theSymphytum officinale agg. (Boraginaceae)

   • Tea A. Jaarsma
   • Elisabeth Lohmanns
   • Theo M. Malingré

   OriginalPaper Pages: 113 - 127

2. Cytogenetical changes of offsprings from the induced tetraploid hybrid betweenRanunculus silerifolius (2n = 16) andR. chinensis (2n = 16) (Ranunculaceae)

   • Hiroshi Okada

   OriginalPaper Pages: 129 - 136

3. The unique pollination ofLeporella fimbriata (Orchidaceae): Pollination by pseudocopulating male ants (Myrmecia urens, Formicidae)

   • Rod Peakall

   OriginalPaper Pages: 137 - 148

4. Ontogeny of intruding non-periplasmodial tapetum in the wild chicory,Cichorium intybus (Compositae)

   • E. Pacini
   • C. J. Keijzer

   OriginalPaper Pages: 149 - 164

5. Beetle pollination and flowering rhythm ofAnnona spp. (Annonaceae) in Brazil

   • Gerhard Gottsberger

   OriginalPaper Pages: 165 - 187

6. Comments on flower evolution and beetle pollination in the generaAnnona andRollinia (Annonaceae)

   • Gerhard Gottsberger

   OriginalPaper Pages: 189 - 194

7. Taxonomy of someDiploschistes spp. (lichenized ascomycetes,Thelotremataceae) containing gyrophoric acid

   • H. Thorsten Lumbsch
   • John A. Elix

   OriginalPaper Pages: 195 - 199

8. Intraspecific hybridization and its bearing on chromosome evolution inVicia narbonensis (Fabaceae)

   • S. N. Raina
   • K. Yamamoto
   • M. Murakami

   OriginalPaper Pages: 201 - 217

9. Rapid cytofluorimetric determination of leaf nuclear DNA content in the polyploid seriesRanunculus marsicus (R. auricomus agg.,Ranunculaceae)

   • Sergio Sgorbati
   • Stefania M. Masci
   • Palmer Marchi

   OriginalPaper Pages: 219 - 226