60 



BULLETIN 380, U. S. DEPARTMENT OF AGRICULTURE. 



1 inch or less in diameter, was cut off about 6 inches from the 

 main trunk. Mycelium from corn meal in flasks was placed on the 

 cut end of the stub and covered with wet cotton, over which oiled 

 paper was tied. In about two weeks the paper and cotton were re- 

 moved. In all cases, branches similar to those inoculated were cut 

 as checks. 



TABLE III. Inoculations with Endothia gyrosa. 



1 The species used in this case was Quercus prinus, which proved to be an exceedingly unfavorable host 

 for Endothia gyrosa. 



