BUREAU OF PLANT INDUSTRY. 



ratholor/i.9t and Pliysiologifit, and Chief nf Bureau, Beverly T. Oalloway. 



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



Laioratory of Plant Pathology, Brwin 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. 



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



Cotton and Tobacco Breeding Investigations, Archibald D. Shamel, Physiologist in Charge. 



Corn InvestigationSj Charles P. Hartley, Physiologist in Charge. 



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

 ologist in Charge. 



Soil Bacteriology and Water Purification Investigations, Karl F. Kellerman, I'hysiologist 

 in Charge. 



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

 Charge. 



Drug and Poisonous Plant Investigations and Tea Culture Investigations, Rodney II. 

 True, I'hysiologist in Charge. 



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



Crop Technology Investigations, Nathan A. Cobb, Expert in Charge. 



Taj-ononiic Investigations, Frederick V. Coville, Botanist in Charge. 



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



Orain Investigations. Mark A. Carleton, Cerealist in Charge. 



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



Sugar-Bcet Investigations, Charles O. Townsend, I'athologist in Charge. 



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



Dry Land Agriculture Investigations, E. ('banning 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. 



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



Seed and Plant Intvoduclion, 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. Sbanahan, Expert 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 Culture Farms, Seaman A. Knapp, Lake Charles, La., Special Agent in Charge. 



Editor, .T. E. Rockwell. 

 Chief Clerk, .Tames E. Jones. 



Investigations of Diseases of Fruits, 

 scientific staff. 



M. B. Waite, Pathologist in Charge. 



P. .1. O'Gara, W. S. Ballard, and F. W. Faurot, Scientific Assistants. 



C. L. Shear, Pathologist in Charge of Investigations of Diseases of Small Fruits. 

 George F. Miles, Lon A. Hawkins, and Mrs. Anna K. Wood, Scientific Assistants. 



W. M. Scott, Pathologist in Charge of Orchard Spraying Demonstration Work. 

 James B. Rorer and T. W. Ayres, Scientific Assistants. 



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