LETTER OF TRANSMITTAL. 



U. S. Department of AGRiruLTi^RE, 

 Division of Vegetable Physiology and Tatiiology, 



Washington, D. C, July 15, 1899. 

 Sir: I respectfully transmit herewith a report einbodyiug the results 

 of some investigatious of a disease which has caused serious loss to the 

 growers of cotton and other Southern crops. The report is technical, 

 and will form a basis for further work looking- toward tlie restriction 

 and prevention of the disease. I respectfully recommend that the 

 report be published as Uulletiu No. 17 pf this Division. 

 Eespectfully, 



B. T. Galloway,' 



Chief of Division. 

 Hon. James Wilson, 



Secretary of Agriculture. 



3 



