1. Genetic diversity in major farm crops on the farm and in reserve

   • Donald N. Duvick

   OriginalPaper Pages: 161 - 178

2. Cellular and subcellular localization in plant metabolism

   • John S. Fletcher

   Book Review Pages: 178 - 178

3. Economic plant species associated with prehistoric agriculture in the Maya lowlands

   • B. L. Turner
   • Charles H. Miksicek

   OriginalPaper Pages: 179 - 193

4. Plants as human adornment in India

   • Peter Francis

   OriginalPaper Pages: 194 - 209

5. Silverleaf nightshade,Solarium elaeagnifolium, origin, distribution, and relation to man

   • J. W. Boyd
   • D. S. Murray
   • R. J. Tyrl

   OriginalPaper Pages: 210 - 217

6. Herbicides and plant growth regulators

   • John S. Fletcher

   Book Review Pages: 217 - 217

7. Agronomic and chemical evaluation of smooth sumac, Rhus glabra

   • T. A. Campbell

   OriginalPaper Pages: 218 - 223

8. Symposium on infraspecific classification of wild and cultivated plants

   Announcement Pages: 223 - 223

9. Foliage plants for removing indoor air pollutants from energy-efficient homes

   • B. C. Wolverton
   • Rebecca C. Mcdonald
   • E. A. Watkins

   OriginalPaper Pages: 224 - 228

10. Growth characteristics of aquatic macrophytes cultured in nutrient-enriched water: I. Water hyacinth, water lettuce, and pennywort

    • K. R. Reddy
    • W. F. Debusk

    OriginalPaper Pages: 229 - 239

11. Ethnobotany of Costanoan Indians, California, based on collections by John P. Harrington

    • Barbara R. Bocek

    OriginalPaper Pages: 240 - 255

12. Book reviews

    • John W. Thieret
    • Richard Evans Schultes
    • Linda L. Wallace

    BookReview Pages: 256 - 271

13. Meeting notice

    Announcement Pages: 271 - 271