BUREAU OF PLANT INDUSTRY. 



B. T. Galloway, Chief of Bureau. 

 BOTANICAL INVESTIGATIONS AND EXPERIMENTS. 



SCIENTIFIC STAFF. 



Frederick V. Coville, Botanist. 



0. F. Cook, Botanist in Charge of Investigations in Tropical Agriculture. 



Rodney H. True, PJrysiologist, Drug and Medicinal Plant Investigations. 



Lyster H. Dewey, Botanist in Charge of Investigations of Fiber Plants. 



V. K. Chesnut, Assistant Botanist in Charge of Investigations of Poisonous Plants. 



Edgar Brown, Botanist in Charge of Seed laboratory. 



Carl S. Scofield, Botanist in Charge of Grain Grade Investigations. 



G. N. Collins, Assistant Botanist, Tropical. Agricidture. 



William E. Safford, Assistant Curator, Tropical Agriculture. 



F. H. Hillman, Assistant Botanist, Seed Herbarium. 



Joseph W. T. Duvel, Assistant in Seed Laboratory. 



W. R. Beattie, Assistant, Testing Garden. 



W. W. Tracy, Jr., Assistant, Variety Trials. 



W. F. Wight, Assistant, Geographic Botany. 



W. O. Richtmann, Pharmacognostical Expert. 



Alice Henkel, Assistant, Drug and Medicinal Plant Investigations. 



W. W. Stockberger, Expert, Drug and Medicinal Plant Investigations. 



