BUREAU OF PLANT INDUSTRY. 



B. T. Galloway, Chief of Bureau. 

 BOTANICAL INVESTIGATIONS AND EXPERIMENTS. 



SCIENTIFIC STAFF. 



Frederick A". C'kville, Botanist. 



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



O. F. Cook, Botanist in Charge of Tropical Agricvlfvre. 



Edgar Brown, Botanist in Charge of Seed Laboratory. 



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



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



Carl S. Scofield, Ex'pert on Cereals. 



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

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



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

 William E. S.Ifford, Assistant Curator, Tropical AgrimUure. 

 W. R. Beattie, Assistant, Testing Garden. 



W. W. Tracy, Jr., Assistant, Variety TVials. 

 W. F.- Wight, Assistant, Geographic Botany. 

 W. 0. Richtmann, Pharmacognostical Expert. 



