1. News of the society for economic botany

   • Llewelyn Williams

   News Pages: 295 - 295

2. Symposium on centers of plant diversity and the conservation of crop germ plasm

   • John L. Creech

   OriginalPaper Pages: 297 - 298

3. Documentation for the conservation, management, and use of plant genetic resources

   • C. F. Konzak
   • S. M. Dietz

   OriginalPaper Pages: 299 - 308

4. Ethiopia: A center of diversity

   • Jack R. Harlan

   OriginalPaper Pages: 309 - 314

5. Diversity of germ plasm in small grain cereals

   • L. P. Reitz
   • J. C. Craddock

   OriginalPaper Pages: 315 - 323

6. Centers of plant diversity and conservation of crop germ plasm: Safflower

   • P. F. Knowles

   OriginalPaper Pages: 324 - 329

7. Nature, distribution, and use of diversity in the tuber-bearingSolanum species

   • P. R. Rowe

   OriginalPaper Pages: 330 - 338

8. Field Studies of some wild species ofAvena

   • J. H. W. Holden

   OriginalPaper Pages: 339 - 345

9. Ephedra (Ma-Huang) in the New Chinese Materia Medica

   • Shiu-Ying Hu

   OriginalPaper Pages: 346 - 351

10. Forest and agricultural resources of Dahomey, West Africa

    • Llewelyn Williams

    OriginalPaper Pages: 352 - 372

11. The species ofDioscorea containing sapogenin

    • Franklin W. Martin

    OriginalPaper Pages: 373 - 379

12. Application of some growth regulators to medicinal plants

    • Herbert Jonas

    OriginalPaper Pages: 380 - 384

13. Propagation of Dieffenbachia

    • Robert B. Marlatt

    OriginalPaper Pages: 385 - 388

14. Books

    • Arthur Nelson
    • Robert Kral
    • Robert A. Evers

    BookReview Pages: 389 - 393

15. Notice: M.Sc. Course in conservation and utilization of plant genetic resources

    Announcement Pages: 394 - 394

16. Notice: 1970 NACTA Conference

    Announcement Pages: 394 - 394

17. Statement of ownership, management and circulation

    • Joseph G. Sutton

    Announcement Pages: 395 - 395