BUREAU OF PLANT INDUSTRY. 
Pathologist and Physiologist, and Chief of Bureau, Beverly T. Galloway. 
Pathologist and Physiologist, ami Assistant chief of Bureau, Albert F. Woods. 
Laboratory 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 Diseast Survey, 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 II. Kearney, Physi- 
ologist in Charge. 
Soil Bacteriology ami 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, Thysicist in Charge. 
Crop Technology ami Filar 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. 
Groin Investigations, Mark Alfred Carleton, Cerealist in Charge. 
Arlington Experimental Farm, Lee C. Corbett, Horticulturist in Charge. 
Vegetable 'listing Gardens, William W. Tracy, si-., Superintendent. 
Sugar-Beet Investigations, Charles O. Townsend, Pathologist in Charge. 
Western Agricultural Extension Investigations, 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 m Pomology, William A. Taylor and G. Harold Powell, Pomologists 
in Charge. 
Experimental Gardens and Grounds, Edward M. Byrnes, Superintendent. 
Fon kiu Seed ami 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, Brownsville, Tex., Edward C. Green, Pomologist in Charge. 
Cotton Culturt farms and Fannies' < imperative Demonstration ~\York, 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. 
|Circ. 2] 
2 
