1. The society for economic botany, Inc. Eleventh Annual Meeting April 26–29

   Announcement Pages: 1 - 2

2. The origin of cultivated plants in Southeast Asia

   • HUi-Lin Li

   OriginalPaper Pages: 3 - 19

3. Sesame: Its uses, botany, cytogenetics, and origin

   • N M. Nayar
   • K. L. Mehra

   OriginalPaper Pages: 20 - 31

4. Notes on the cultural extent of the use of yajé(Banisteriopsis Caapi) among the Indians of the vaupés, Colombia

   • G. Reichel-Dolmatoff

   OriginalPaper Pages: 32 - 33

5. Some notes on the distribution of alkaloids in the plant kingdom

   • Robert F. Raffauf

   OriginalPaper Pages: 34 - 38

6. Economic uses of eastern red cedar

   • Thomas E. Hemmerly

   OriginalPaper Pages: 39 - 41

7. Catharanthus Alkaloids. XXIII. The isolation of tetrahydroalstonine, vindorosine, and ursolic acid fromC. trichophyllus

   • H. K. Kim
   • R. N. Blomster
   • N. R. Farnsworth

   OriginalPaper Pages: 42 - 46

8. A study of the cyanogenetic content and toxicity of the fruit of selected species ofCotoneaster

   • Robert H. Tidwell
   • Jack L. Beal
   • Popat N. Patil

   OriginalPaper Pages: 47 - 50

9. Cyanide analyses of peaches

   • Albert R. Machel
   • Charles I. Dorsett

   OriginalPaper Pages: 51 - 52

10. New plants for conservation

    • W. Curtis Sharp

    OriginalPaper Pages: 53 - 54

11. Ethnobotany of cañihua (Chenopodium pallidicaule), rustic seed crop of the Altiplano

    • Daniel W. Gade

    OriginalPaper Pages: 55 - 61

12. Notes on the use of plant hallucinogens in Amazonian Brazil

    • Ghillean T. Prance

    BriefCommunication Pages: 62 - 68

13. Breadstuff from fir (Abies balsamea)

    • Erika E. Gaertner

    OriginalPaper Pages: 69 - 72

14. Old and new world narcotics: A statistical question and an ethnological reply

    • Weston La Barre

    OriginalPaper Pages: 73 - 80

15. Plant poisons in Shakespeare

    • Edward Tabor

    OriginalPaper Pages: 81 - 94

16. Vascular aquatic plants for mineral nutrient removal from polluted waters

    • Claude E. Boyd

    OriginalPaper Pages: 95 - 103

17. Bookreview

    • George Ware
    • Frank D. Venning
    • George Ware

    BookReview Pages: 104 - 112