1. Nicotiana

   OriginalPaper Pages: 83 - 85

2. The harmful fungi of tomatoes and their problem to the processor

   • C. Peter Timmer

   OriginalPaper Pages: 86 - 96

3. Mexican Wild Forms of Sweet Potato

   • Nishiyama
   • Teramura

   Erratum Pages: 96 - 96

4. Cytogenetics of modern sugar canes

   • Sam Price

   OriginalPaper Pages: 97 - 106

5. The neuroactive factoralpha-gamma diaminobutyric acid in angiospermous seeds

   • C. H. VanEtten
   • Roger W. Miller

   OriginalPaper Pages: 107 - 109

6. Laticiferous plants of economic importance IV jelutong (Dyera spp.)

   • Llewelyn Williams

   OriginalPaper Pages: 110 - 126

7. Botanical source-areas for some oriental spices

   • Robert M. Newcomb

   OriginalPaper Pages: 127 - 132

8. Climate and soil conditions ofRauwolfia serpentina in India

   • P. D. Varadarajan

   OriginalPaper Pages: 133 - 138

9. Inheritance of low iodine value of safflower selections from India

   • P. F. Knowles
   • A. Mutwakil

   OriginalPaper Pages: 139 - 145

10. Dolichos lablab or hyacinth bean:

    • Reimar v. Schaaffhausen

    OriginalPaper Pages: 146 - 153

11. Book reviews

    • Richard Evans Schultes
    • John W. Thieret
    • F. N. Hepper

    BookReview Pages: 154 - 160