The house gardens of Santa Rosa: Diversity and variability in an Amazonian agricultural system Christine PadochWil de Jong OriginalPaper Pages: 166 - 175
Geographical approaches to crop conservation: The partitioning of genetic diversity in andean potatoes Karl S. ZimmererDavid S. Douches OriginalPaper Pages: 176 - 189
Utilization and conservation of genetic resources: International projects for sustainable agriculture Joel I. CohenJanis B. AlcornChristopher S. Potter OriginalPaper Pages: 190 - 199
The origin of mentha — gracilis (Lamiaceae). II. essential oils Arthur O. TuckerHenk HendriksDavid E. Fairbrothers OriginalPaper Pages: 200 - 215
The curagua (Ananas lucidus, Bromeliaceae) crop in Venezuela Freddy LealLucila Amaya OriginalPaper Pages: 216 - 224
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. UnanderBaruch S. Blumberg OriginalPaper Pages: 225 - 242
Modelling the origins of legume domestication and cultivation Mark A. Blumler OriginalPaper Pages: 243 - 250
Ipomoea littoralis (Convolvulaceae)—taxonomy, distribution, and ethnobotany Daniel F. Austin OriginalPaper Pages: 251 - 256
The commercial seed trade: An early disperser of weeds in the United States Richard N. Mack OriginalPaper Pages: 257 - 273
Ethnobotanical studies of the negrito islanders of Andaman Islands, India—the Great Andamanese A. K. Awasthi OriginalPaper Pages: 274 - 280
Notes on economic plants Walter H. LewisLouis V. AvioliGail M. Murakami BriefCommunication Pages: 281 - 290
