BUREAU OF PLANT INDUSTRY. 



B. T. GALLOWAY, 

 Pathologist and Physiologist, and Chief of Bureau. 



VEGETABLE PATHOLOGICAL AND PHYSIOLOGICAL INVESTIGATIONS. 

 Albert 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. J. Spillman, Agriculturist in Charge. 



POMOLOGICAL INVESTIGATIONS. 

 G. B. Brackett, Pomologist in Charge. 



SEED AND PLANT INTRODUCTION AND DISTRIBUTION. 

 A. J. Pieters, Botanist in Charge. 



ARLINGTON EXPERIMENTAL FARM. 

 L. C. CoRBETT, Horticulturist in Charge. 



INVESTIGATIONS IN THE AGRICULTURAL ECONOMY OF TROPICAL AND SUBTROPICAL 



PLANTS. 



O. F. Cook, Biouomist in Charge. 



DRUG AND POISONOUS PLANT INVESTIGATIONS, AND TEA CULTURE INVESTIGATIONS. 



Rodney H. True, Physiologist in Charge. 



DRY LAND AGRICULTURE AND WESTERN AGRICULTURAL EXTENSION. 

 Carl S. Scofield, Agrictdturist in Charge. 



EXPERIMENTAL GARDENS AND GROUNDS. 

 E. M. Byrnes, Superintendent. 



SEED LABORATORY. 

 Edgar Brown, Botanist in Charge. 



J. E. Rockwell, Editor. 

 James E. Jones, Chief Clerk. 



INVESTIGATIONS IN THE AGRICULTURAL ECONOMY OF TROPICAL AND SUBTROPICAL 



PLANTS. 



scientific staff. 



O. F. Cook, Bionomist in Charge. 



G. N. Collins, Assistant Botanist. 



F. L. Lewton, .Scientific Asi<istant. 



H. Pittier, Special Agent. 



