LETTER OF TRANSMITTAL 



U. S. Department of Agriculture, 



Bureau of Plant Industry. 



Office of the Chief, 

 Washington, D. C, May 22, 1902. 

 Sir: I have the honor to transmit herewith a paper on the Injurious 

 Effects of Premature Pollination, with General Notes on Artificial 

 Pollination and the Setting of Fruit without Pollination, and respect- 

 fully recommend that it be published as No. 22 of the Bureau series 

 of bulletins. The paper was prepared by Mr. Charles P. Hartley, 

 assistant in physiology in the Plant-Breeding Laboratory. Vegetable 

 Pathological and Physiological Investigation-, and was submitted by 

 the Pathologist and Physiologist. 

 Respectfully. 



B. T. Galloway, 



Chief of Buret i u. 

 Hon. James Wilson, 



Secretary of Agriculture. 



3 



