LETTER OF TRANSMITTAL. 



U. S. Department of Agriculture, 



Bureau of Plant Industry, 



Office of the Chief, 

 Washington. D. C, June 5, 1911. 

 Sir : I have the honor to transmit herewith and to recommend for 

 publication as Bulletin No. 226 of the Bureau series the accompany- 

 ing manuscript entitled "A Plant Disease Survey in the Vicinity of 

 San Antonio, Texas," submitted with a view to publication b}^ Mr. 

 TV. A. Orton, Pathologist in Charge of Cotton and Truck-Crop Dis- 

 eases and Sugar-Plant Investigations. 



This bulletin gives the results of work done by the authors, Dr. 

 Frederick D. Heald, professor of botany, University of Texas, and 

 Mr. Frederick A. Wolf, tutor in botany, University of Texas. The 

 work was undertaken at the request of Mr. C. S. Scofield, Agricul- 

 turist in Charge of Western Agricultural Extension, who desired a 

 preliminary survey of the plant diseases of this region to be made as 

 a part of the work of the San Antonio Experiment Farm. 

 Respectfully, 



Wm. A. Taylor, 

 Acting Chief of Bureau. 

 Hon. James Wilson, 



Secretary of Agriculture. 

 226 3 



