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. 
Investigations of Diseases of Fruits, Morton B. Waite, Pathologist in Charge. 
Laboratory of Fortst Pathology. Haven Metcalf, Pathologist in Charge. 
Cotton and Truck Diseases and Plant Diseast Survey, William A. Orion. Pathologist in Charge. 
Plant Lift 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 11. Mathewson, in Chargi 
Corn Investigations, Charles P. Hartley, Physiologisl in charge. 
Alkali mill Drought Resistant Plant Breeding Investigations, Thomas II. Kearney, Physiologist in 
Charge. 
Soil Bacteriology and Water Purification Investigations, Karl K. Kellerman, Physiologisl 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 ll. True, Physiologisl 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 Rangt Investigations, Frederick V. Covillc. Botanist in Charge. 
Farm Management Investigations, William J. Spillman, Agriculturist in Chargi'. 
Grain Investigations, Mark Alfred Carle ton, Cerealist in Charge. 
Arlington Experimental Farm. Lee C. Corbett, Horticulturist in Charge. 
Vegetablt fisting Gardens. William W. Tracy, sr., Superintendent. 
Sugar-But Investigations, Charles O. Townsend. Pathologist in Charge. 
II estern Agricultural Extension Investigations, Carl S. Scofield, Agriculturist in Charge. 
Dry-Land Agriculture Investigations, E. Charming 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. 
Fonigii Seed and Plant Introduction, David Fairchild. Agricultural Explorer in Charge. 
Forage Crop Investigations, Charles V. Piper, Agrostologist in Chargi 
Seed Laboratory, Edgar Brown, Botanist in Charge. 
Grain Standardization. John D. Shanahan. Crop Technologist in Charge. 
subtropical Laboratory and Gardi a . Miami. Fla.. P. .1. Wester, Gardener in Charge 
Plant Introduction Garden, Chico, Co'., W. W. Tracy. jr., Assistant Botanist in Charge 
South Texas Gardt n . Brownsx illi . Tex. , Edward C. Green, Pomologist in Charge. 
Farmers' Cooperative Demonstration lie/;.. Seaman A. Knapp, Special Agent in charge. 
Seed Distribution (directed by chief of Bureau), I. isle Morrison. Assistant in General Charge. 
Editor, J. E. Rockwell, 
Chief Clerk, James E. Jones. 
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