1. A newStylochiton species (Araceae) from East Africa

   • Josef Bogner

   OriginalPaper Pages: 77 - 81

2. Polarity and competition between megaspores in the ovule ofOenothera hybrids

   • Renata Snieżko
   • Cornelia Harte

   OriginalPaper Pages: 83 - 97

3. Salix martiana, a regularly hermaphrodite willow

   • Jens Rohwer
   • Klaus Kubitzki

   OriginalPaper Pages: 99 - 101

4. Wood anatomy ofTrimeniaceae

   • Sherwin Carlquist

   OriginalPaper Pages: 103 - 118

5. Differentiation of perennial and annual types due to habitat conditions in the wild riceOryza perennis

   • H. Morishima
   • Y. Sano
   • H. I. Oka

   OriginalPaper Pages: 119 - 135

6. Notes on the variation, geographical distribution and ecology ofEuastrum insulare var.basichondrum (Chlorophyta,Desmidiaceae)

   • P. F. M. Coesel

   OriginalPaper Pages: 137 - 147

7. Eine neueCampanula-Art aus dem ostafghanisch-westpakistanischen Grenzgebiet

   • K. H. Rechinger

   OriginalPaper Pages: 149 - 150

8. Chromosome counts inCalea (Asteraceae-Heliantheae)

   • John F. Pruski
   • Lowell E. Urbatsch

   Short Communication Pages: 151 - 153