ORGANIZATION OF THE UNITED STATES DEPARTMENT OF AGRICULTURE 

 WHEN THIS PUBLICATION WAS EITHER FIRST PRINTED OR LAST REVISED 



Secretary of Agriculture Claude R. Wickard. 



Under Secretary Paul H. Appleby. 



Assistant Secretary Grover B. Hill. 



Director of Information Morse Salisbury 



Director of Extension Work M. L. Wilsox. 



Director of Finance W. A. Jump. 



Acting Director of Personnel James L. Buckley 



Director of Research James T. Jardixe. 



Director of Marketing Roy F. Hexdricksox 



Solicitor Mastix G. White. 



Land Use Coordinator M. S. Eisenhower. 



Office of Agricultural Defense Relations M. Clifford Towxsexd, Director 



Office of Plant and Operations Arthur B. Thatcher, Chief. 



Office of C. C. C. Activities Fred W. Morrell, Chief. 



Office of Ex peri merit Stations James T. Jardixe, Chief. 



Office of Foreign Agricultural Relations Leslie A. Wheeler, Director. 



Agricultural Adjustment Administration R. M. Evans, Administrator. 



Bureau of Agricultural Chemistry and Engi- 

 neering Henry G. Knight, Chief. 



Bureau of Agricultural Economics H. R. Tolley, Chief. 



Agricultural Marketing Service C. W. Kitchex, Chief. 



Bureau of Animal Industry John R. Mohler, Chief. 



Commodity Credit Corporation J. B. Hutsox, President. 



Commodity Exchange Administration Joseph M. Mehl, Chief. 



Bureau of Dairy Industry O. E. Reed, Chief. 



Bureau of Entomology and Plant Quarantine. P. N. Axxaxd, Chief. 



Farm Credit Administration A. G. Black, Governor. 



Farm Security Administration C. B. Baldwix, Administrator. 



Federal Crop Insurance Corporation Leroy K. Smith, Manager. 



Forest Service Earle H. Clapp, Acting Chief. 



Bureau of Home Economics Louise Staxley, Chief. 



Library Ralph R. Shaw, Librarian. 



Bureau of Plant Industry E. C. Auchter, Chief. 



Rural Electrification Administration Harry Slattery, Administrator. 



Soil Conservation Service H. H. Bennett, Chief. 



Surplus Marketing Administration Roy F. Hexdricksox, 



Administrator. 



This bulletin is a contribution from 



Bureau of Plant Industry E. C. Auchter, Chief. 



Division of Forage Crops and Diseases Olaf S. Aamodt, Head Agronomist, 



In Charge 



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•J. s :-: . e = •,'•'£•,- =-- •,- ■, .: ;ff;:e i 94 i 



For sain by the Superintendent of Documents, Washing-ton. D. C. ------- Price 5 cents 



