Institution: | 1. Purdue University, Lafayette, Indiana 2. Chicago Natural History Museum, Chicago, Illinois 3. Boyal Botanic Gardens, Kew, Great Britain 4. University of Delhi, Delhi, India 5. Stanford University, Stanford, California 6. Utah State University, Logan, Utah 7. Iowa State University, Ames, Iowa 8. Washington State University, Pullman, Washington 9. California Institute of Technology, Pasadena, California 10. Sub-tropical Experiment Station, Homestead, Florida 11. Botanisches Institut, Johannes Gutenberg Universit?t, Mainz, Germany 12. Smithsonian Institution, Washington, D. C. 13. Fermentation Laboratory, Northern Utilization Research and Development Division, Peoria, Illinois 14. Connecticut Agricultural, Experiment Station Tobacco Laboratory, Windsor, Connecticut
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