1. Edmund Henry Fulling

   • David J. Rogers

   Announcement Pages: 3 - 5

2. Book reviews

   • J.W.T.
   • F. R. Fosberg
   • Howard L. Clark

   BookReview Pages: 6 - 10

3. The genusPanax (Ginseng) in Chinese medicine

   • Shiu Ying Hu

   OriginalPaper Pages: 11 - 28

4. Growth of water hyacinths in treated sewage effluent

   • Jean W. Wooten
   • John D. Dodd

   OriginalPaper Pages: 29 - 37

5. A natural source for Neohesperidin

   • S. Natarajan
   • D. E. Eveleigh
   • R. H. Dawson

   OriginalPaper Pages: 38 - 38

6. Aquatic weeds — Eradicate or Cultivate?

   • Robert P. Bates
   • James F. Hentges

   OriginalPaper Pages: 39 - 50

7. Accumulation of dry matter, nitrogen and phosphorus by cultivated water Hyacinths

   • Claude E. Boyd

   OriginalPaper Pages: 51 - 56

8. Hallucinogenic snuff drugs of the Yanomamo Caburiwe-Teri in the Cauaburi river, Brazil

   • Charles Brewer-Carias
   • Julian A. Steyermark

   OriginalPaper Pages: 57 - 66

9. Response of some tropical and subtropical fruits to Pre- and Post- Harvest applications of Ethephon

   • N. D. Bondad

   OriginalPaper Pages: 67 - 80

10. Some observations on grape growing in the republic of South Africa

    • Robert J. Weaver

    OriginalPaper Pages: 81 - 93

11. Prehistoric psychotropic drug use in Northeastern Mexico and Trans-Pecos Texas

    • J. M. Adovasio
    • G. F. Fry

    OriginalPaper Pages: 94 - 96