L1:TT1:R 01- TRAXSMI'ITAL 



u. 8. derautmext of agriculture. 



Bureau of Plant Ixdu.stry. 



Office of the Chief, 

 Was/u'/u/fon, D. C, October 2J, 1902. 

 Sir: I have the honor to transmit herewith, iind to recommend for 

 publication as Bulletin No. 3^ of the series of this I^ureau, the accom- 

 panying- technical paper entitled *• A Disease of the White A.sh Caused 

 by Polyporus Fraxinophilus." 



This paper was prepared l)y Dr. Hermann von Schrenk, Special 

 Agent in Charge of the ^Mississippi Valley Laboratory, Vegetable 

 Pathological and Physiological Investigations, and it has been sub- 

 mitted by the Pathologist and Physiologist M'ith a view to publication. 

 Respectfully, 



B. T. Galloway, 



C '-' ief of Bu reau . 

 Hon. James Wilson. 



Secretary of Agriculture. 



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