1. Twenty years of Czechoslovak botanical periodicals in the Czechoslovak Academy of Sciences

   • Slavomil Hejný

   EditorialNotes Pages: 337 - 338

2. Coleanthus subtilis (Tratt.)Seidl. in the Amur Basin

   • A. P. Nečajev
   • A. A. Nečajev

   OriginalPaper Pages: 339 - 347

3. Fell-field and heath communities of Reykjanes Peninsula, SW. Iceland (plant communities of Reykjanes Peninsula, Part 5)

   • Emil Hadač

   OriginalPaper Pages: 349 - 380

4. A taxonomic survey of the generaPetasites andEndocellion

   • Jan Toman

   OriginalPaper Pages: 381 - 406

5. LignicolousHyphomycetes from Czechoslovakia 2.Bactrodesmium

   • Věra Holubová-Jechová

   OriginalPaper Pages: 407 - 418

6. A note on the infraspecific classification ofHelictotrichon desertorum (Less.)Nevskij

   • Josef Holub

   Brief Communications Pages: 419 - 421

7. The frequency of species in a natural population of roses from the subsectionEucaninae

   • Marie Naděžda Končalová

   Brief Communications Pages: 423 - 424

8. Notes on “Lichenes selecti exsiccati” with an alphabetical index to fascicles 21–40 (Nos. 501–1000)

   • Antonín Vězda

   Reports and Reviews Pages: 425 - 431

9. Bookreviews

   • Robert Neuhäusl
   • Slavomil Hejný
   • Zdenka Neuhäuslová-Novotná

   BookReview Pages: 432 - 444