1. Variation patterns in a leaf beet (Beta vulgaris, Chenopodiaceae) germplasm collection

   • L. Frese

   OriginalPaper Pages: 1 - 10

2. Glucosinolate spectrum of some AlgerianCruciferae

   • G. B. Lockwood
   • A. Belkhiri

   OriginalPaper Pages: 11 - 20

3. Chloroplast DNA reassociation and grass phylogeny

   • K. W. Hilu
   • J. L. Johnson

   OriginalPaper Pages: 21 - 31

4. Acid phosphatase activity during spore differentiation of the red algaeGigartina teedii andChondria tenuissima

   • I. Tsekos
   • E. Schnepf

   OriginalPaper Pages: 35 - 51

5. Effect of the breeding system on the genetic structure in threeCephalanthera spp. (Orchidaceae)

   • Renato Scacchi
   • Gilberto De Angelis
   • Rosa Maria Corbo

   OriginalPaper Pages: 53 - 61

6. Ultrastructure of organelles during microsporogenesis inTillandsia pallidoflavens (Bromeliaceae)

   • Michael W. Hess

   OriginalPaper Pages: 63 - 74

7. Taxonomy and phylogeny of the tribeInuleae (Asteraceae)

   • Arne A. Anderberg

   OriginalPaper Pages: 75 - 123

8. The dimorphic heterostyly inAconogonon campanulatum (Polygonaceae)

   • Suk-Pyo Hong

   OriginalPaper Pages: 125 - 131

9. On the stomata ofSalvinia herzogii (Salviniaceae, Pteridophyta)

   • E. R. de la Sota
   • Liliana A. Cassa
   • de Pazos

   Errata Pages: I - I