Commontoealtj) of Pennsiplbania 



Department of Forestry 



A REPORT 



ON 



THE CHESTNUT TREE BLIGHT 



THE FUNGUS, DIAPORTHE PARASITICA, MURRILL 



By JOHN MICKIvEBOROUGH, Ph. D. 

 MAY, 1909 



HARRISBURG: 



C. E. AUGHINBAUGH, PRINTER TO THE STATE OP PENNSYLVANIA 



1909 V- 



