BUREAU OF PLANT INDUSTRY. 



Chief of Bureau, William A. Taylor. 



Associate Chief of Bureau, Karl F. Kellermax. 



Officer in Charge of Publications, J. E. Rockwell. 



Assistant in Charge of Business Operations, 11. E. .Sllwson. 



Foreign Seed and Plant Introduction. 



scientific staff. 



David Fairchild, Agncultural Explorer in Charge. 



P. H. Dorsett. Plant Introducer, in Charge of Plant Introduction Gardens, 



B. T. Galloway, Plant Pathologist, Special Research Projects. 

 Peter Bisset. Plant Introducer, in Charge of Experimenters' Service. 

 Wilson Popenoe and J. F. Rock, Agricultural Explorers. 



R. A. Young, Plant Introducer, in Charge of Dasheen and Tropical Yam Investigations. 



H. C. Skeels, Botanist, in Charge of Collections. 



G. P. Van Eseltine, Assistant Botanist, in Charge of Publications. 



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 Xewbold, Scientific Assistants. 



David A. Bisset, Superintendent, Bell Plant Introduction Garden, Glenn Dale, Md. 

 Edward Goucher, Plant Propagator. 



.T. E. Morrow, Superintendent, Plant Introduction Garden, Chico, Calif. 

 Henry Klopfer, Plant Propagator. 



Edward Simmonds, Superintendent, Plant Introduction Garden, Miami, Fla. 

 Charles H. Steffani, Plant Propagator. 



Henry E. Juenemann, Superintendent, Plant Introduction Garden, Bellingham, Wash. 



Wilbur A. Patten, Superintendent, Plant Introduction Garden, BrooksviUe, Fla. 



E. J. Rankin, Assistant in Charge, Plant Introduction Garden, Savannah, Ga. 



Collaborators: Thomas W. Brown and Robert H. Forbes, Cairo, Egypt; A. C. Hartless, 

 Seharunpur, India; Barbour Lathrop, Chicago, III.; Dr. H. L. Lyon, Honolulu, Hawaii; 

 Henry Xehrling, Gotha, Fla.; Charles T. Simpson, Littleriver, Fla.; Dr. L. Trabut, 

 Director, Service Botanique, Algiers, Algeria; E. H. Wilson, Arnold Arboretum, Jamaica 

 Plain, Mass.; E. W. D. Holway, Faribault, Minn.; Dr. William Trelease, University of 

 Illinois, Vrbana, III. 



2 



