1. Economic botany: Past and future

   • Charles B. Heiser

   OriginalPaper Pages: 261 - 266

2. Import of palaeoethnobotanical facts

   • C. Earle Smith

   OriginalPaper Pages: 267 - 278

3. Plant drugs in the twenty-first century

   • Varro E. Tyler

   OriginalPaper Pages: 279 - 288

4. Plant breeding: Past achievements and expectations for the future

   • Donald N. Duvick

   OriginalPaper Pages: 289 - 297

5. International prospects for cooperation in crop research

   • Donald L. Plucknett
   • Nigel J. H. Smith

   OriginalPaper Pages: 298 - 309

6. New editor forEconomic Botany

   Announcement Pages: 309 - 309

7. Mosses, Liverworts, and Hornworts Screened for Antitumor Agents

   • Richard W. Spjut
   • Matthew Suffness
   • Daniel H. Norris

   OriginalPaper Pages: 310 - 338

8. Ethnobotanical observations from cabecar and guaymí settlements in central america

   • Donald L. Hazlett

   OriginalPaper Pages: 339 - 352

9. Patterns of morphological variation insesamum indicum

   • Dorothea Bedigian
   • C. A. Smyth
   • Jack R. Harlan

   OriginalPaper Pages: 353 - 365

10. Apomixis and its role in evolution and breeding

    • J. M. J. De Wet

    Book Review Pages: 365 - 365

11. Rubber content in diploid guayuleParthenium argentatum: chromosomes, rubber variation, and implications for economic use

    • John M. Miller
    • Ralph A. Backhaus

    OriginalPaper Pages: 366 - 374

12. Adaptive responses of native Amazonians

    • Richard Evans Schultes

    Book Review Pages: 374 - 374

13. Chemical composition of the water fern,salvinia molesta, and its potential as feed source for ruminants

    • Mathew Moozhiyil
    • Josef Pallauf

    OriginalPaper Pages: 375 - 383

14. Book Reviews

    • Stephen M. Young
    • W. Hardy Eshbaugh
    • Peter K. Bretting

    BookReview Pages: 384 - 395