BIREAU OF PLANT INDUSTRY. 



Pathologist and Physiolofjist, am! chief af liuicaii. Beverly T. Galloway. 



Patholoijiat and PhiiHioioijisI, and Assistant Chief of Bureau, Alfiert F. Woods. 



Laboratory of Plant Patholorji/, Erwin F. Smith, rathologist in Charge. 



Investifjations of Diseases of Fruits. Merton B. AVaite. Pathologist in Charge. 



Plant Breeding Investigations, Herhert .1. Webber, I'hysiologist in Charge. 



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



Soil Bacteriology and ^Vater Purification Jnrcstigaiions. Karl F. Kellerman. I'hysiologist 



in Charge. 

 Bionomic Inrcstigatiuns of Tropical and Suhtruiiical Plants. Orator F. Cook. Bionomist 



in Charge. 

 Drug and Poisonous Plant Investigations and Tea Culture Investigations. Rodney H. 



True. Physiologist in Charge. 0- 



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

 Taxonomic Investigations, Frederick V. Coville, Botanist in Charge. 

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

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

 Arlington Exyerinicntal Farm. Lee C. Corliett. Horticulturist in Charge. 

 Sugar-Beet Investigations, CI\arles O. Townsend. Pathologist in Charge. 

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

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

 Pomological Collections, Gustavus B. Brackett. I'omologist in Charge. 

 Field Investigations in Pomology. William A. Taylor and G. Harold I'owell, Pomologists 



in Charge. 

 Experimental Gardens and around'^, Edward M. Byrnes, Superintendent. 

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



Editor, J. E. Rockwell. 

 Chief Clerl:, .Tames E. Jones. 



SEED T.ABORATORY. 



SCIENTIFIC .ST.\FF. 



Edgar Bi-own. Botanist in Charge. 

 J. W. T. Duvel, Assistant. 

 F. IT. ITillman, Assistant Botanist. 

 W. L. Goss, Assistant. 



99 

 2 



