LETTER OF TRANSMITTAL. 
Bureau OF PLANT INDUSTRY, 
OFFICE OF THE CHIEF, 
Washington, D. C., July 16, 1901. 
Str: I transmit herewith the manuscript submitted from the office 
of the Pathologist and Physiologist of a paper entitled The Relation 
of Lime and Magnesia to Plant Growth, by Dr. Oscar Loew and 
Mr. D. W. May, and respectfully recommend that it be published as 
Bulletin No. 1 of this Bureau. 
Respectfully, B. T. GaLtoway, 
Chief of Bureau. 
Hon. James WILson, 
Secretary of Agriculture. 
