BUREAU OF PLANT INDUSTRY. 



Pathologist avd Physiologist, and Chief of Bureau, Beverly T. Galloway. 



Pathologist 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 Invest ii/nf inns, Herbert J. Webber, Physiologist in Charge. 



Plant Life History Lin sti;i<ilin,,s. Walter T. Swingle, Physiologist in Charge. 



Soil Bacteriology and M'ntcr Purification Investigations, Karl F. Kellerman, Physiologist in Charge. 



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

 Taxonoiiiir Iiircstigations, Frederick Y. Coville, Botanist in Charge. 

 Fa)-ui MaiKUjnnfiit Investigations, William. J. Spillman, Agriculturist in Charge. 

 Grain Inr( stiiinliniis. Mark A. Carleton, Cerealist in Charge. 

 Arlington Kxi>' ririi nfal Farm, Lee C. Corbett, Horticulturist in Charge. 

 Sugar-Bcct Inn stigat ions. Charles O. Townsend, Pathologist in Charge. 

 Western Agricultural F.rtension Investigations, Carl S. Scofield, Agriculturist in Charge. 

 Dry Land Agriculture Investigations, E. 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. 

 Experimented Gardens and Grouvds. Edward M. Byrnes, Superintendent. 

 Seed and Plant Introduction, David Fairchild, Agricultural Explorer in Charge. 

 Forage Crop Investigations, Charles ^^ 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, Gal., 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. 



