BUREAU OF PLANT INDUSTRY. 



Pathologist and Physiologist, and Chiff of Bureau, Beverly T. Galloway. 



Patholooist and Physiologist, and 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. 



Plant Breeding Inirstigations, Herbert J. Webber, Physiologist in Charge. 



Plant Life History Investigations, Walter T. Swingle, 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 Investigations and Tea Culture Investigations, Rodney II. True, Physiologist 



in Charge. 

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

 Taxono'mic Investigations, Frederick V. Coville, Botanist in Charge. 

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

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

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

 Sugar Beet Investigations. Charles O. Townsend. Pathologist in Charge. 

 Western Agricultural Extension, Carl S. Scofleld. Agriculturist m Charge. 

 Dry Land Agriculture, E. Channing Chilcott, Expert in Charge. 

 Pomological Collections, Gustavus B. Brackctt, Pomologist in Charge. 



Field Investigations in Pomology, William A. Taylor and G. Harold Powell, Pomologists m Charge. 

 Experimental Gardens and Grounds, Edward M. Byrnes, Superintendent. 

 Seed and Plant Introduction, David Fairchild, in Charge. 

 Forage Crop Investigations, Charles V. Piper, Agrostologist in Charge. 

 Seed Laboratory, Edgar Brown, Botanist in Charge. 

 Grain Standardization, John D. Shanahan. Expert in Charge. 



Mississippi Valley Laboratory, St. Louis, Mo., Hermann von Schrenk, Expert in Charge. 

 Subtropical Laboratory and Garden, Miami, Fla., Ernst A. Bessey, Pathologist in Charge. 

 Plant Introduction Garden, Chico, Cal., Palemon H. Dorsett, Pathologist in Charge. 

 Cotton Culture Farms, Seaman A. Knapp, Lake Charles, La., Special Agent m Charge. 



Editor, J. E. Rockwell. 

 Chief Clerk, .Tames E. .Tones. 



FARM MANAGEMENT INVESTIGATIONS. 

 William .J. Spillman, Agriculturist in Charge. 



Scientific Staff.— V. G. Allison, H. Benton. D. A. Brodie, Lyman Carrier, J. S. Cates, J. S. Cotton, 

 M A Crosby, L. G. Dodge, J. A Drake, David Griffiths, Byron Hunter, C. K. McClelland, H. B. Mc- 

 Clure, H. A. Miller, AV. A. Peck, C. E. Quinn, S. M. Tracy, C. W. Warburton, J. A. Warren. 



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