BUREAU OF PLANT INDUSTRY. 



Pathologist and Physiologist, and I hiefof Bureau, Beverly T. Galloway. 



Pathologist and Physiologist, and Assistant Chief of Bureau, Alberl l". Woods, 



Laboratory of Plant Pathology, Erwin F. Smith, Pathologist in Charge. 



Investigations of Diseases of fruits, Merton B. Waite, Pathologist In Charge. 



Laboratory of Forest Pathology, Haven Metcalf, Pathologist in Charge. 



Plant I.ij'i History Investigations, WalterT. Swingle, Physiologisl in Charge. 



Cotton an ! >n;i Investigations, Archibald D. Sham el, Physiologisl In Charge, 



Cum Investigations, Charles P. Hartley, Physiologisl in Charge. 



Alkali and Drought Resistant Plant Breeding Investigations, Thomas II. Kearney, Physiologist In Charge. 



Soil Bacteriology and Water Purification Investigations, Karl F. Kellerman, Physiologist in Charge. 



Bionomi of Tropical and Subtropical Plants, Orator F. <'i»>k. Bionomist in I h 



.'■'■nit Investigations and Tea Culture Investigations, Rodney H. True, Physiologisl 

 in Charge. 

 Physical 1 man J. Briggs, Physicist in Charge. 



Crop Technology Investigations, Nathan A. Cobb, Expert in Charge. 

 Taxonon ■ rick V. Coville, Botanist in Charge. 



-. William .'. Bpillman, Agriculturist in Chs 

 Grain In :k a. Carleton, Cerealist in Charge. 



Arlington Experimental Farm, LeeC. Corbett, Horticulturist in Charge. 

 tttgations, Charles ". Townsend, Pathologisl in Charge. 

 'tural Extension Investigations, furl s. Scofleld, Agriculturist in Charge. 

 Dry Land Agriculture In Charming Chilcott, Agriculturist in Charge. 



Pomological Collections, Oustavus B. Brackett, Pomologisl in Charge. 



ligations in Pomology, William A. Taylor and '<. Harold Powell, Pomologists in Charge. 

 i mds, Edward M. Byrnes, Superintendent 

 W. w . Tracj . sr., Superintendent. 

 ' Plant Introduction, David Fairchild, Agricultural Explorer in Charge. 

 1 aarles V. Piper, Agrostologisl in Charge. 

 ratory, Edgar Brown, Botanist in <;imr>.',-. 



John D. Shanahan, Expert in Charge. 

 Subtropi " ■ nf, Fla., Ernsl a. Bessey, Pathologisl in Charge. 



Plant Introduction Garden, Chico, CaL, Augusl Mayer, Expert in Charge. 

 South 1] I • Green, Fomologist in Charge. 



Mure Farms, Seaman A. Cnapp, LakeChai il Agenl in Charge. 



Editor, J. E. Rockwell. 



- E. Jones. 



Seed and Plant Intboductimt. 



ntific staff. 



David Fairchild, Agricultural Explorer in Charge; 

 O. W. Barrett, Assistant. 

 Frank X. Meyer, Agricultural Explorer. 

 Charles F. Wheeler, Expert. 

 Walter Fischer, Scientific Assistant. 

 R. A. Young, Scientific Assistant. 



Albert Mann, Expert in Charge of Barley Investigations. 

 F. W. Clarke, Sj)ecial Agent in Charge of Matting Plant Investigations. 



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