BUREAU OF PLANT INDUSTRY. 



Physiologist and Pathologist, and Chief of Bureau, Beverly T. Galloway. 



Physiologist and Pathologist, and Assistant chief of Bureau, Albert F. Woods. 



Laboratory of Plant Pathology, Erwin F. Smith, Pathologist In Charge. 



Fruit Disease Investigations, Merton B. Waite, Pathologist In Charge. 



Laboratory of Forest Pathology, Haven Metcalf, Pathologist In Charge. 



Cotton unit Truck Diseases un<i riant Disease Survey, William A. Orton, Pathologist in 

 Charge. 



Pathological Collections and Inspection war/:. Flora \v. Patterson, Mycologist in Charge. 



Plant Life History Investigations, Walter T. Bwingle, Physiologist in Charge. 



Cotton Breeding Investigations, Archibald l>. Shamol and Daniel N. Shoemaker. Physi- 

 ologists in Char 



robaeco Investigations, Archibald I>. Shamel, Wightman W. Garner, and Ernest II. 

 Mathewson, in Charge. 



Corn Investigations, Charles P. Hartley. Physiologist in Charge. 



Alkali ami Drought Resistant Plant Breeding Investigations, Thomas II. Kearney, Physi- 

 ologist in Charge. 



Soil Bacteriology <ui<l Water Purification Investigations, Karl F. Kellerman, Physiolo- 

 gist in Charge. 



Bionomic Investigations of Tropical and Subtropical Plants, Orator F. Cook, Bionomist 

 in Charge. 



Drug dud Poisonous riant and Pea Culture Investigations, Rodney H. True, Physiologist 

 in Charge. 



Physical Laboratory, Lyman J. Briggs, Physicist in Charge. 



Crop Technology and Fiber Plant Investigations, Nathan A. Cobb, Crop Technologist in 

 Charge. 



Taxonomic and Range Investigations, Frederick V. Coville, Botanist in Charge. 



Farm Management, William J. Spillman, Agriculturist in Charge. 



Qrain Investigations , Mark Alfred Carleton, Cerealist in Charge. 



Arlington Experimental Farm and Horticultural Investigations, Lee C. Corbett, Horti- 

 culturist in Charge. 



Vegetable Tenting Gardens, William W. Tracy, sr., Superintendent. 



Sugar-Beet Investigations, Charles O. Townsend, Pathologist in Charge. 



Western Agricultural Extension, Carl S. Scofleld, Agriculturist in Charge. 



Dry-Land Agriculture Investigations, E. Channing Chilcott, Agriculturist in Charge. 



Pomological Collections, Gustavus B. Brackett, Pomologist in Charge. 



Field Investigations in Pomology, William A. Taylor and G. Harold Powell, Pomologists 

 in Charge. 



Experimental Gardens and Grounds, Edward M. Byrnes, Superintendent. 



Foreign Seed and Plant Introduction, David Fairchild, Agricultural Explorer in Charge. 



Forage Crop Investigations, Charles V. Piper, Agrostologist in Charge. 



Seed Laboratory, Edgar Brown, Botanist in Charge. 



drain standardization, John D. Shanahan, Crop Technologist in Charge. 



Subtropical Garden, Miami, Via., P. J. Wester, in Charge. 



Plant Introduction Garden, Chico$ Cat., W. W. Tracy, jr., Assistant Botanist in Charge. 



South Texas Garden, Brownsville, Tex., Edward C. Green, Tomologist in Charge. 



Fannies' Cooperative Demonstration Work, Seaman A. Knapp, Special Agent in Charge. 



Seed Distribution (Directed by Chief of Bureau), Lisle Morrison, Assistant in Generai 

 Charge. 



Editor, J. E. Rockwell. 



Chief Clerk, James E. Jones. 



Foreign Seed and Plant Introduction. 



scientific staff. 



David Fairchild, Agricultural Explorer in Charge. 



Frank X. Meyer and William I). Dills. Agricultural Explorers. 



Albert Mann. Expert in Charge of Special Barley Investigations. 



F. W. Clarke, special Agent in Charge of Matting-Rush Investigations. 



Frederic Chisolm, Expert. 



Walter Fischer, R. A. Young, and II. C, Skeels, Scientific Assistants. 



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