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 Metealf, Pathologist in Charge. 



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



Pathological Collections and Inspection Work, Flora W. Patterson, Mycologist in Charge. 



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



Cotton Breeding Investigations, Archibald D. Shamel and Daniel N. Shoemaker, Physiologists 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. Kearne}*, 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 and Tea 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. 

 Grain Investigations, Mark Alfred Carleton, Cerealist in Charge. 

 Arlington Experimental Farm and Horticultural Investigations, 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, 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 Garden, Miami, Fla., P. J. Wester, in Charge. 



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

 South Texas Garden, Brownsville, 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. 



Field Investigations in Pomology, 

 scientific staff. 



William A. Taylor, Pomologist in Charge of Fruit Marketing Investigations. 

 G. Harold Powell, Pomologist in Charge of Fruit Transportation and Storage Investigations. 

 George C. Husmann, Pomologist in Charge of Viticultural Investigations. 

 A. V. Stubenrauch, Expert in Fruit Transportation. 

 H. P. Gould, Pomologist in Charge of Fruit District Investigations. 



L. S. Tenny, Pomologist in Fruit Marketing, Transportation, and Storage Investigations. 

 S. J. Dennis, Expert in Refrigeration. 



George W. Hosford, Assistant Pomologist in Fruit Marketing, Transportation, and Storage Investiga- 

 tions. 

 Alfred Tournier, Special Agent in Viticultural Investigations. 

 W. F. Fletcher, Scientific Assistant in Fruit District Investigations. 



H. M. White, Scientific Assistant in Fruit Marketing, Transportation, and Storage Investigations. 

 F. L. Husmann, Viticultural Superintendent. 

 C. A. Reed, Special Agent in Pecan Investigations. 

 C. S. Pomeroy, Expert m Fruit Transportation and Storage. 

 A. W. McKay, Expert in Fruit Storage. 

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