Bl REAU OF PLANT INDl STRY. 



Pathologist avd Ptiysiolooift- "'"' I'hUf <>/ Bureau. Beverly T.Galloway. 



Pathologist and PhijsioliKjid. and Aysistant Chief of Bureau, Albert F. Woods. 



Laboratorij of Plant Pathology, Erwin F. Smith, Pathologist in Charge. 



Investigations of Diseases of Fruits, Merton B. Waite, Pathologist in Charge. 



Plant Brer/ling Investigations, Herbert J. Webber, Physiologist in Charge. 



Plant life lUstorri 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 H. True, Physiologist 



in Charge. 

 Physical Latwratory, Lyman J. Brigg.s, Physici.st in Charge. 

 Ta.rononiic Investigations, Frederick V. Coville. Botanist in Charge. 

 Farm Management Investigations. Wiliiam J. Spillman, .\grieulturist in Charge. 

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

 Arlington E.rperiviental Farm, Lee C. Oorbett, Horticulturist in Charge. 

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

 Western Agrirultur<U E.rtension Invei^figations, Carl S. Scotield, Agriculturist in Charge. 

 Dry Land Agriculture Investigations, K. Chauning Chilcott, Agriculturist in Charge. 

 Pomologival Collections. Gustavus B. Brackett. Pomologist in Charge. 



Field Inve.-'tigations in Pomology, William A. Taylor and G. Harold PoWell, Pomologists in Charge. 

 E.rperimental Gardens ami Grounds, Edward M. Byrnes. Superintendent. 

 Seed and Plant Introduction. David Fairchild, Agricultural E.xplorer 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 ai2d 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 in Charge. 



Editor, J. E. Rockwell. 

 Chief Clerk, James E. Jones. 



