1. Effect of 2-chloroethylphosphonic acid on enzyme induction in barley endosperm

   • Robert M. Devlin
   • Richard P. Cunningham

   OriginalPaper Pages: 369 - 373

2. Marinus J. Dijkman

   Announcement Pages: 373 - 373

3. The compendium pharmaceuticum of Jean François Coste

   • Harold J. Abrahams

   OriginalPaper Pages: 374 - 398

4. Botanical museum leaflets, Harvard University

   Announcement Pages: 398 - 398

5. Jalap or Veracruz jalap and its allies

   • Louis O Williams

   OriginalPaper Pages: 399 - 401

6. Origin and aims of the International society for tropical root crops

   OriginalPaper Pages: 402 - 402

7. Some characteristics of a growth inhibitory factor in Yaupon Fruit

   • J. D. Diaz-Colon
   • J. R. Baur
   • R. W. Bovey

   OriginalPaper Pages: 403 - 407

8. On the domestication of the soybean

   • T. Hymowitz

   OriginalPaper Pages: 408 - 421

9. The role of coca in the history, religion, and medicine of South American Indians

   • Richard T. Martin

   OriginalPaper Pages: 422 - 438

10. Notice

    Announcement Pages: 438 - 438

11. Utilisation of saline—alkali soils for agro-industry without prior reclamation

    • L. B. Singh

    OriginalPaper Pages: 439 - 442

12. News of the society for economic botany

    Announcement Pages: 442 - 442

13. Olive production in Greece

    • Hudson T. Hartmann
    • Plato G. Bougas

    OriginalPaper Pages: 443 - 459

14. A yellow food dye—Escobedia

    • Louis O. Williams

    OriginalPaper Pages: 459 - 459

15. The carob tree and its importance in the agricultural economy of Cyprus

    • W. N. L. Davies

    OriginalPaper Pages: 460 - 470

16. Plant explorer of the Americas

    • Melvin J. Frost
    • B. Ira Judd

    OriginalPaper Pages: 471 - 478

17. Book reviews

    • James L. Reveal
    • Sidney McDaniel
    • J. W. T.

    BookReview Pages: 479 - 490

18. Announcement of graduate courses in tropical science in 1971

    Announcement Pages: 491 - 491

19. Dr. Jacob jonas ochse July 5, 1892—April 21, 1970

    Announcement Pages: 492 - 493

20. Richard Spruce: A proposed memorial

    Announcement Pages: 494 - 494

21. International symposium on shrubs

    Announcement Pages: 495 - 495