United States Department of Agriculture. 
Bureau of Plant Industry. 
.Office of Foreign Seed and Plant Introduction. 
Washington, D. C. 
Scientific Staff. 
David Fairchild, 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 and Wilson Popenoe, Agricultural Explorers. 
H. C. Skeels, Botanical Assistant, in charge of Collections. 
S.^C. Stuntz, Botanical Assistant, in charge of Explorers' Notes, 
Foreign Correspondence and Publications. 
R. A. Young, Botanical Assistant, in charge of Dasheen and Tung 
Oil Investigations. 
David A. Bisset, Nathan Mender son and G. P. Van Eseltlne, 
Assistants . 
Staff of Field Stations. 
R. L. Beagles, Farm Superintendent in charge of Chico, Calif., 
Plant Introduction Field Station. 
J. M. Rankin, Assistant Farm Superintendent, In charge of Rock- 
vllle, Md.,. (Yarrow) Plant Introduction Field Station. 
Edward Goucher, Propagator. 
EdWard Simmonds, Gardener and Field Station Superintendent in 
Charge of Miami, Fla. , Plant Introduction Field Station. 
J, E. Morrow, Assistant Superintendent, Brooks.ville , Fla., Plant 
Introduction Field Station. 
Collaborators. 
Mr. Aaron Aaronsohn, Haifa, Palestine. 
Mr. Thomas W. Brown, Cairo, Egypt. 
Mr. H. M. Curran, Laurel, Md. 
Mr. M. J. Dorsey, University Farm, St. Paul, Minn. 
Mr.' H. T. Edwards, Rldgewood, N. J. 
Dr. Gustav Eisen, California Academy of Sciences, San Francisco, 
Calif. 
Mr. E. C. Green, Servigo do Algodao no Brazil, Rio de Janeiro, 
Brazil. 
Mr. A. C. Hartless, Saharanpur, India. 
Mr. E. J. Kraus , University of Chicago, Chicago, 111. 
Mr. Barbour Lathrop, Chicago, 111. 
Miss Eliza R. Scidmore, Yokohama, Japan. 
Mr. Charles Simpson, Little River, Fla. 
Mr. H. P. Stuckey, Experiment, Ga. 
Dr. L. Trabut , Director, Service Botanlque, Algiers, Algeria. 
Mr. E. H. Wilson, Arnold Arboretum, Jamaica Plain, Mass. 
