OFFICE OF FOREIGN SEED AND PLANT INTRODUCTION 
BUREAU OF PLANT INDUSTRY 
UNITED STATES DEPARTMENT OF AGRICULTURE 
Washington Scientific Staff. 
David Fairchlld, Agricultural Explorer in Charge. 
Wilson Popenoe .Agricultural Explorer Acting in Charge . 
P. H. Dorsett, Plant Introducer, in Charge of Intro- 
duction Gardens. 
Peter Bisset, Plant Introducer, in Charge of Experi- 
menters' Service. 
J. F. Rock, Agricultural Explorer. 
B. T. Galloway , Pathologist , Special Research Pro jects . 
R. A. Young, Plant Introducer, in Charge of Dasheen 
„ and Tropical Yam Investigations. 
H, C. Skeels, Botanist, and G. P. Van Eseltine, As- 
sistant Botanist, in Charge of Botanical Investi- 
gations . 
L. G. Hoover, Assistant Plant Introducer, in Charge 
of Chayote Investigations. 
C. C. Thomas, Assistant Plant Introducer, in Charge 
of Jujube Investigations. 
E. L.'Crandall, Assistant in Charge of Photographic 
Laboratory. 
P. G. Russell and Patty Newbold, Scientific Assistants , 
Introduction Garden Scientific Staff. 
D. A. Bisset, Superintendent in Charge of the Plant 
Introduction Garden, Bell, Md. (P.O., Glenn Dale, 
Md.); Edward Goucher, Plant Propagator. 
J.E, Morrow, Superintendent in Charge of the Plant 
Introduction Garden, Chlco, Calif.; Henry Klopfer, 
Plant Propagator. 
Edward Simmonds , Superintendent in Charge of the Plant 
Introduction Garden, Miami, Fla.; Charles H.Steffani, 
Plant Propagator. 
W. A. Patten, Superintendent in Charge of the Plant 
Introduction Garden, Brooksville, Fla. 
Henry Juenemann, Superintendent in Charge of the Plant 
Introduction Garden, Bellingham, Wash. 
E. J. Rankin, Assistant in Charge of the Plant Intro- 
duction Carden, Savannah, Ga. 
Special Collaborators. 
Thomas W. Brown, Cairo, Egypt; Robert H.Forbes, Cairo, 
Egypt; A. C. Hartless, London, England; E. W. D. Hol- 
way, Faribault, Minn.; Barbour Lathrop, Chicago , 111.; 
Dr. H.L.Lyon, Honolulu, Hawaii: Henry Nehrling, Gotha, 
Fla.; Charles T. Simpson, Littleriver, Fla.; Dr. L. 
Trabut, Algiers, Algeria; Dr. William Trelease, Urbana, 
111.; E. H. Wilson, Jamaica Plain, Mass. 
