BUREAU OF PLANT INDUSTRY. 



PhyHologiat and Pathologist, and chief o) Bureau, Beverly T. Galloway. 

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



oratory oj Plant Pathology, Erwln v. Smith, Pathologist in Charge. 

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

 Investigations in Forest Pathology, Haven Metcalf, Pathologist in Charge. 

 Cotton mui Truck Diseases and riant Disease Survey, William A. Orton, Pathologist in 



Charge. 

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

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

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



[sts in Charge. 

 1 icco Investigations, Archibald D. Shamel, Wigktman W. Garner, and Ernest II. 



Blathewson, in charge. 

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

 Alkali and Drought Resistant riant Breeding Investigations, Thomas II. Kearney, 



Physiologist in Charge. 

 Soil Bacteriology and Water Purification Investigations, Karl P. 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 II. True, Physiologist 



in Charge. 

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

 Agricultural Technology, 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, Horticul- 

 turist in Charge. 

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

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

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

 Dry-Land Agriculture Investigations, F. 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 Standardisation, 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. 



Foreign Seed and Plant Introduction. 



scientific staff. 



David Fairchild, Agricultural Explorer in Charge. 



Frank N. Meyer and William D. Hills, 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 H. C. Skeels, Scientific Assistants. 



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