United States Department of Agriculture. 
Bureau of Plant Industry. 
Office of Foreign Seed and Plant Introduction. 
Washington, D. C. 
Washington Scientific Staff. 
David Pairchild, Agricultural Explorer in Charge. 
P. H. Dorsett, Plant Introducer, in Charge of Plant Introduc- 
tion Field Stations. 
B. T. Galloway, Plant Pathologist. 
Peter Bisset, Plant Introducer, In Charge of Foreign Plant 
Distribution. 
J. B. Norton, and Wilson Popenoe, Agricultural Explorers. 
H. C. Skeels, G. P. Van Eseltine, and R. A. Young, Botanical 
Assistants . 
H. E. Allanson, Miss Bessie Broadbent , E. L. Crandall, L. G. 
Hoover, J. H. Johnson, R. N. Jones, P. G. Russell, 
and C. C. Thomas, Assistants. 
Edward Goucher, Plant Propagator. 
Field Stations .Scientific Staff. 
R. L. Beagles, Superintendent in Charge, Plant Introduction 
Field Station, Chico, Cal. 
E. 0. Orpet, Assistant in Plant Introduction. 
J. E. Morrow, Superintendent in Charge, (Yarrow) Plant 
Introduction Field Station, Rockvllle, Md. 
Edward Slmmonds, Superintendent In Charge, Plant Introduc- 
tion Field Station, Miami, Fla. 
D. A. Bisset, Assistant in Charge, Plant Introduction 
Field Station, Brooksvllle, Fla. 
Henry E. Juenemann, Superintendent in Charge, Plant Intro- 
duction Field Station, Belllngham, Wash. 
E. J. Rankin, Assistant in Charge, Plant Introduction Field 
Station, Savannah, Georgia. 
Collaborators . 
Mr. Aaron Aaronsohn, Haifa, Palestine. 
Mr. Thomas W. Brown, Cairo, Egypt. 
Mr. H. M. Curran, Bahia, Brazil. 
Mr. M. J. Dorsey, University Farm, St. Paul, Minn. 
Mr. Robt. H. Forbes, Cairo, Egypt. 
Mr. A. C. Hartless, Saharanpur, India. 
Mr. Barbour Lathrop, Chicago, 111. 
Mr. H. L. Lyon, Honolulu, Hawaii. 
Mr. H. Nehrling, Gotha, Fla. 
Mr. Charles Simpson, Littleriver, Fla. 
Mr. H. P. Stuckey, Experiment, Ga. 
Dr. L. Trabut , Director, Service Botanique, Algiers, Algeria. 
Mr. H. N. Whitford, School of Forestry, New Haven, Conn. 
Mr. E. H. Wilson, Arnold Arboretum, Jamaica Plain, Mass. 
Dr. F. A. Woods, Washington, D. C. 
