Table Of Content

NUMBER 1 January—March 1991 The Distinguished Economic Botanist Award 1990 Renewable Resources from Wild Sunflowers (Helianthus spp., Asteraceae) G. J. Seiler, M. E. Carr, and M. O. Bagby Icacina oliviformis (Icacinaceae): A Close Look at an Underexploited Food Plant. II. Analyses of Food Products J. M. Fay Chufa (Cyperus esculentus, Cyperaceae): A Weedy Cultivar or a Cultivated Weed? F. T. de Vries Nikolai Ivanovich Vavilov: The Explorer and Plant Collector B. M. Cohen The Mis-measure of Manioc (Manihot esculenta, Euphorbiaceae) M. M. Nye ... Medicinal Plant-lore of Tamang Tribe of Kabhrepalanchok District, Nepal N. P. Manandhar Ethnobotanical Notes on “Yacon,” Polymnia sonchifolia (Asteraceae) E. Zardini Medicinal Plants of Paraguay: Underground Organs J. Basualdo, E. Zardini, and Primary Xylem of Scilla hyacinthoides (Liliaceae)—the Wool-bearing Bulb of Theophrastus A. Witztum and M. Negbi Food Plants of the Luo of Siaya District, Kenya 7. Johns and J. O. Kokwaro ... 103 Plant Folk Medicines among the Nicobarese of Katchal Island, India H. S. Dagar and J. C. Dagar Fruit Trees in a Malaysian Rain Forest L. G. Saw, J. V. LaFrankie, K. M. Kochummen, and S. K. Yap Notes on Economic Plants Book Reviews Society for Economic Botany Economic Botany Policies and Manuscript Requirements Announcements Issued 5 March 1991 NUMBER 2 April—June 1991 SYMPOSIUM: NEW DIRECTIONS IN CROP GENETIC RESOURCE CONSERVATION A Farmer-Based Approach to Conserving Crop Germplasm Stephen B. The House Gardens of Santa Rosa: Diversity and Variability in an Amazonian Agricultural System Christine Padoch and Wil de Jong Geographical Approaches to Crop Conservation: The Partitioning of Genetic Diversity in Andean Potatoes Karl S. Zimmerer and David S. Douches Utilization and Conservation of Genetic Resources: International Projects for Sustainable Agriculture Joel I. Cohen, Janis B. Alcorn, and Christopher S. Potter The Origin of Mentha x gracilis (Lamiaceae). II. Essential Oils Arthur O. Tucker, Henk Herdriks, Rein Bos, and David E. Fairbrothers The Curagua (Ananas lucidus, Bromeliaceae) Crop in Venezuela Freddy Leal and Lucila Amaya In vitro Activity of Phyllanthus (Euphorbiaceae) Species against the DNA Polymerase of Hepatitis Viruses: Effects of Growing Environment and Inter- and Intra- Specific Differences David W. Unander and Baruch S. Blumberg Modelling the Origins of Legume Domestication and Cultivation Mark A. Blumler Ipomoea littoralis (Convolvulaceae)— Taxonomy, Distribution, and Ethno- botany Daniel F. Austin The Commercial Seed Trade: An Early Disperser of Weeds in the United States Richard N. Mack Ethnobotanical Studies of the Negrito Islanders of Andaman Islands, India—The Great Andamanese A. K. Awasthi Notes on Economic Plants Book Reviews William Lacy Brown JH. Garrison Wilkes Efraim Hernandez Xolocotzi-Guzman H. Garrison Wiikes Economic Botany Policies and Manuscript Requirements Issued 28 June 1991 NUMBER 3 July—September 1991 Ethnobotanical Observations in the Ladakh Region of Northern Jammu and Kashmir State, India A. Bhattacharyya Terrestrial Biomass Resources in Japan Hyoe Tsugawa, Thomas W. Sasek, and Kin- ichi Nishikawa The Horseradish Tree, Moringa pterygosperma (Moringaceae)—A Boon to Arid Lands? Julia F. Morton Studies on the Distribution of a Naturally Occurring Nitroaliphatic Acid in Crown- vetch (Coronilla varia, Fabaceae) Kenneth Gold and Bruce W. Brodman Diversity of Common Beans (Phaseolus vulgaris, Fabaceae) and Conditions of Pro- duction in Aguascalientes, Mexico Jose Alfredo Andrade-Aguilar and Efraim Hernandez-Xolocotzi Observations on the Origin of Phaseolus polyanthus Greenman V. Schmit and D. G. Debouck Phenotypic Variation of Agronomic Traits among Coyote Gourd Accessions and their Progeny Joseph C. Scheerens, Andrew E. Ralowicz, Terry L. McGriff, Keith A. Bee, John M. Nelson, and Allen C. Gathman Races of Common Bean (Phaseolus vulgaris, Fabaceae) Shree P. Singh, Paui Gepts, and Daniel G. Debouck The Past and Present Uses of Rhatany (Krameria, Krameriaceae) Beryl B. Simp- Evidence for the Origin of Chayote, Sechium edule (Cucurbitaceae) Linda E. News- Effect of Husk Morphology on Grain Development and Topography in Rice G. N. Raju and T. Srinivas Notes on Economic Plants Book Reviews Economic Botany Policies and Manuscript Requirements Issued 17 October 1991 NUMBER 4 October—December 1991 The Continuing Evolution of Weeds Herbert G. Baker The Zanzibar Clove Industry Peter J. Martin Collection of Avena macrostachya Bal. ex Coss. et Dur. (Poaceae) Germplasm in Algeria L. Guarino, H. Chadja, and A. Mokkadem Native and Exotic Species of Dioscorea Used as Food in Brazil Edison P. Chu and R. C. L. Figueiredo-Ribeiro Fiber Properties of Several Species of Agavaceae from the Southwestern United States and Northern Mexico Steven P. McLaughlin and Susan M. Schuck The Botanical Origin of Scented Myrrh (Bissabo! or Habak Hadi) Mats Thulin and Per Claeson Ethnobotany of Ferocactus histrix and Echinocactus platyacanthus (Cactaceae) in the Semiarid Central Mexico: Past, Present and Future Rafael F. del Castillo and Sonia Trujillo Relationship of Cob Characters with Grain Morphology in Maize (Zea mays, Po- aceae) 17. Srinivas, M. K. Bhashyam, Nagin Chand, Sila Bhattacharya, S. Sreed- hara Murthy, and H. V. Narasimha Ethnobotany of Clitoria (Leguminosae) Paul R. Fantz Notes on Economic Plants Books Received Volume 45 Index to Subjects Volume 45: Index to Authors and Titles of Papers Manuscript Reviewers 1991 Volume 45: Index to Book Reviews Volume 45 Index to Book Reviewers Manuscript Requirements Volume 45: Contents Statement of Ownership Issued 31 December 1991