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LETTER OF TRANSMITTAL. 



U. S. Department of Agriculture, 



Division of Botany, 

 Washington, D. 0., December 31, 1892. 

 SiR: I have the honor of transmitting the report of Mr. F. V. Goville, 

 Assistant Botanist, on the botany of the Death Valley Expedition, for 

 publication as Vol. IV. of Contributions from the TJ. S. National Herb- 

 arium. 



Respectfully, 



George Vasey, 



Botanist. 

 Hon. J. M. Bisk, 



Secretary of Agriculture, 



in 



