U. S. DEPARTMENT OF AGRICULTURE. 



BUREAU OF PLANT INDUSTRY— BULLETIN NO. 214. 



B. T. GALLOWAY, Chief of Bureau. 

 \ 



THE TIMBER ROT CAUSED BY 

 LENZITES SEPIARIA. 



BY 



PERLEY SPAULDING, 



Pathologist, Investigations in Forest Pathology. 



Issued July 21, 1911. 



WASHTNGTON': 



GOVERNMENT PRINTING OFFICTE. 



1911. 



