BUREAU OF PLANT INDUSTBY. 



B. T. GALLOWAY, 



PutJioloijifit uttil Physiologist , and Chief of Bureau. 



VEGETABLE PATHOLOGICAL AND PHYSIOLOGICAL INVESTIGATIONS. 



Albkkt F. Woods, Pathologist and Physiologist in Charge, Acting Chief of Bureau in 



Absence of Chief. 



BOTANICAL INVESTIGATIONS. 

 Frederick V. Coville, Botanist in Charge. 



FARM MANAGEMENT. 

 W. .T. Spillmax, Agriculturist in Charge. 



POMOLOGICAL INVESTIGATIONS. 



G. B. Br.\ckett, Pomologi.it in Charge. 



SEED AND PLANT INTRODUCTION AND DISTRIBUTION. 



A. .T. PiETER.s, Botanist in Charge. 



ARLINGTON EXPERIMENTAL FARM. 



L. C. CoRBETT, Horticulturist in Charge. 



INVESTIGATIONS IN THE AGRICULTURAL ECONOMY OF TROPICAL AND SUB- 

 TROPICAL PLANTS. 



O. F. Cook, Bionomisi in Charge. 



DRUG AND I'OISONOUS PLANT INVESTKiATIONS, AND TEA CULTURE 



INVESTIGATIONS. 



Rodney H. True, Physiologist in Charge. 



DRY LAND ACJRICILTURE AND WESTERN AGRICULTURAL EXTENSION. 



Carl S. Scofield, Agriculturist in Charge. 



EXPERIMENTAL GARDENS AND GROUNDS. 

 E. M. Byrnes, Superintendent. 



SEED LABORATORY. 

 Edgar Bkown, Botanist in Charge. 



.1. E. Rockwell, Editor. 

 James E. Jones, Chief Clerk. 



VEGETABLE PATHOLOGICAL AND PHYSIOLOGICAL INVESTIGATIONS. 



scientific staff. 



Albert F. Woods, Pathologist and Physiologist in Charge. 



Krwin F. Smith, Pathologist in Charge of Laboratory of Plant Pathology. 



Herbert .1. Webber. Physiologi.it in Charge of Laboratory of Plant Breeding. 



Walter T. Swingle, Physiologist in Charge of Laboratory of Plant Life History. 



Newton B. Pierce, Pathologist in Charge of Pacific Coast Laboratory. 



M. B. Waite, Pathologi.it iu Charge of Inrcitigations of Diseases of Orchard Fruits. 



AlARK Alfred Carleton, Cereali-ii in Charge of Cereal Laboratory. 



Hermann von Schrenk. in Charge of Mississipiii Valley Laboratory. 



1'. II. Rolfs. Pathologist in Charge of Subtropical Laboratory. 



C. O. Townsend, Pathologist in Charge of Sugar Beet Investigations. 



T. H. Kearney, A. D. Shamel. Phijsiologists. Plant Breeding. 



P. II. Dorsett." Cornelius L. Shear, William A. Orton, W. M. Scott, Ernst A. 



Bessey, E. M. Freeman, Pathologists. 

 E. C. Chilcott, Expert in Cultirating Methods, Cereal Laboratory. 

 C. R. Ball, .issistant Agrostologist, Cereal Laboratory. 

 Joseph S. Chamberlain.* J. Arthur Le Clerc,<" Physiological Chemists. 

 Flora W. Patterson, Mijeolor/ist. 

 Charles P. Hartley, Karl F. Kellerman, Jesse B. Norton, Charles J. Brand, 



T. Ralph Robinson. Assistants in Physiology. 

 1»eane B. Swingle, George G. Hedgcock. A-isistants in Pathology. 



I'ERLEY SPAULDING. P. J. 0'GaR\, FLORENCE HEDGES, HENRY A. MiLLER, ERNEST B. 



Brown, Leslie A. Fitz, Leonard L. Harter, John O. Mebwin, A. H. Leidigh, H. l-. 



Blanchard, Scientifie A.isistants. 

 W. W. COBEY, Tobacco Expert. 

 John van Leenhoff, Jr.. T. D. Beck with, Ed-perts. 



« Detailed to Seed and Plant Introduction and Distribution. 

 "Detailed fo Bureau of Chemistry. 

 <> Detailed from Bureau of Cliemistry. 



