Bul. 89, U. S. Dept. of Agriculture. 
HEART-ROT IN CHESTNUT CAUSED BY POLYPORUS PILOTAE. 
1. 
FIG 
The fungus entered at the dead branch and has moved downward into the heartwood of the 
tree proper. 
SHOE STRINGS”? OF ARMILLARIA MELLEA BENEATH THE BARK OF A FELLED 
Oye BE 
Fic. 
CHESTNUT WHICH HAD BEEN KILLED BY THIS FUNGUS. 
