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 Introduction 
Field Stations. 
B. T. Galloway, Plant Pathologist. 
Peter Bisset, Plant Introducer, in Charge of Foreign Plant Dis- 
tribution. 
Frank N. Meyer, Wilson Popenoe and F. C. Reimer, Agricultural 
Explorers. 
H. C. Skeels, S. C. Stuntz, and R. A. Young, Botanical Assis- 
tants. 
David A. Bisset, P. G. Russell, and G. P. Van Eseltine, Assistants. 
Edward Goucher, Plant Propagator. 
Henry Y. Gouldman, Laboratory Aid. 
Field Stations Scientific Staff. 
R. L. Beagles, Superintendent in Charge, Plant Introduction 
Field Station, Chico, Cal. 
'E. 0. Orpet, Assistant in Plant Introduction. 
R, S. Atwater, F. R. Livingstone, and D. M. Wallen, Field 
Station Aids . 
J. M. Rankin, Superintendent In Charge, (Yarrow) Plant 
Introduction Field Station, Rockville, Md. 
Harry Duffield, Jr., Assistant in Plant Introduction. 
Edward. Slmmonds, Superintendent In Charge, Plant- Introduc- 
tion Field Station, Miami, Fla. 
E. J. Rankin and C. H. Steffani, Field Station Aids. 
J. E. Morrow, Superintendent in Charge, Plant Introduction 
Field Station, Brooksville, Fla. 
M. E. Batchelor and M. H. Lee, Field Station Aids. 
Henry E. Juenemann, Superintendent in Charge, Plant Intro- 
duction Field Station, Bellingham, Wash. 
H. A. Houser and B. L. Peters, Field Station Aids. 
Collaborators . 
Aaron Aaronsohn, Haifa, Palestine; Thomas W. Brown, Cairo, Egypt; 
H. M. Curran, Laurel, Md.; M. J. Dorsey, University Farm, St. 
Paul, Minn.; Gustav Eisen, New York City; E. C. Green, Servlgo do 
Algodao no Brazil, Rio de Janeiro; A. C. Hart'less, Seharanpur, 
India; Barbour Lathrop, Chicago, 111.; H. Nehrling, Gotha, Fla.; 
Miss Eliza R. Scidmore, Washington, D. C. ; Charles Simpson, 
Littleriver, Fla.; H. P. Stuckey, Experiment, Ga. ; Dr. L. Trabut, 
Director, Service Botanique, Algiers, Algeria; H. N. Whitford, 
School of Forestry, New Haven, Conn.; E. H. Wilson, Arnold 
Arboretum, Jamaica Plain, Mass. 
