BUREAU OF PLANT INDUSTRY. 
B. T. GALLOWAY, 
Pathologist and Physiologist, and Chief of Bureau. 
VEGETABLE PATHOLOGICAL AND PHYSIOLOGICAL INVESTIGATIONS. 
ALBERT F. Woops, Pathologist and Physiologist in Charge, Acting Chief of Bureau in Absence of Chief. 
BOTANICAL INVESTIGATIONS. 
FREDERICK VY. 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, Bionomist 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, Agriculturist 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. 
VEGETABLE PATHOLOGICAL AND PHYSIOLOGICAL INVESTIGATIONS. 
SCIENTIFIC STAFF. 
ALBERT F. Woops, -Pathologist and Physiologist in Charge. 
ERWIN F. SMITH, Pathologist in Charge of Laboratory of Plant Pathology. 
HERBERT J. WEBBER, Physiologist 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, Pathclogist in Charge of Investigations of Diseases of Orchard Fruits. 
MARK ALFRED CARLETON, Cerealist in Charge of Grain Investigations. 
KARL F. KELLERMAN, Physiologist in Charge of Laboratory of Plant Physiology. 
HERMANN VON SCHRENK, in Charge of Mississippi Valley Laboratory. 
ERNST A. BESSEY, Pathologist in Charge of Subtropical Laboratory. 
C. O. TOWNSEND, Pathologist in Charge of Sugar Beet Investigations. 
T. H. KEARNEY, A. D. SHAMEL, Physiologists, Plant Breeding. 
P. H. DORSETT, CORNELIUS L. SHEAR, WILLIAM A. ORTON, W. M. Scott, E. M. FREEMAN, Pathologists. 
E. C. CHILCOTT, Expert in Cultivation Methods, Grain Investigations. 
C. R. BALL, Assistant Agrostologist, Grain Investigations. 
JOSEPH S. CHAMBERLAIN,@ J. ARTHUR LE CLERC, Physiological Chemists, Grain Investigations. 
FLORA W. PATTERSON, Mycologist. 
CHARLES P. HARTLEY, CHARLES J. BRAND, Assistant Physiologists. 
DEANE B. SWINGLE, GEORGE G. HEDGCOCK, PERLEY SPAULDING, P. J. O’GARA, FLORENCE HEDGES, 
GEORGE F. MILES, W. W. GILBERT, JOHN R. JOHNSTON, ALICE C. HASKINS, Scientific Assistants, 
Plant Pathology. 
T. RALPH ROBINSON, T. D. BECKWITH, Scientific Assistants, Plant Physiology. 
JESSE B. NORTON, ERNEST B. BROWN, LEONARD L. HARTER, WIGHTMAN W. GARNER, Scientific Assist- 
ants, Plant Breeding. 
HENRY A. MILLER, LESLIE A. FITZ, A. H. LEIDIGH, H. F. BLANCHARD, VICTOR L. COREY, Scientific 
Assistants, Grain Investigations. 
W. W. Cosry, Tobacco Expert. 
JOHN O. MERWIN, Scientific Assistant. 
a Detailed to Bureau of Chemistry. 
b Detailed from Bureau of Chemistry. 
