BUREAU OF PLANT INDUSTRY. 



Pathologist and Phi/siologist, and Chief of Bureau, Beverly T. Galloway. 

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

 Lalioratory of Plant Pathology, Erwin F. Smith, Pathologist in Charge. 

 Investigations of Diseases of Fruits, Merton B. Waite, Pathologist in Charge. 

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

 Truck Crop Diseases and Plant Disease Surrey, William A. Orton, Pathologist in Charge. 

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

 Cotton Breeding Investigations, Archibald D. Shamel and Daniel N. Shoemaker, Physiolo- 

 gists in Charge. 

 Tobacco Investigations, Archibald D. Shamel. Wightman W. Garner, and Ernest H. 



Mathewson. in Charge. 

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

 Alkali and Drought Resistant Plant Breeding Investigations, Thomas H. Kearney, 



Physiologist in Charge. 

 Soil Bacteriology and Water Purification Investigations, Karl F. Kellerman, Physiologist 



in Charge. 

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



in Charge. 

 Drug and Poisonous Plant Investigations and Tea Culture Investigations, Rodney H. True, 



Physiologist in Charge. 

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

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



Charge. 

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

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

 Grain Investigations, Mark Alfred Carleton, Cercalist in Charge. 

 Arlington Experimental Farm, Lee C. Corbett, Horticulturist in Charge. 

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

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

 Western Agricultural Extension Investigations, Carl S. Scofield, 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. 



Grain Standardization, John D. Shanahan. Crop Technologist in Charge. 

 Subtropical Laboratory and Garden, Miami, Fla., Ernst A. Bessey, Pathologist in Charge. 

 Plant Introduction Garden, Chico, Cal., August Mayer, Expert in Charge. 

 South Texas Garden, Broicnsville, Tex., Edward C. Green, Pomologist in Charge. 

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

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



Charge. 



Editor, J. E. Rockwell. 

 Chief Clerk, James E. Jones. 

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