Fig. 2. 



Fig. 2. — ChcstDut Blijzht. Conidial Stage of Endothla parasitica. Cankers 

 placed by artificial inwulations. the rings show size of canker at 

 intervals of -1 weeks. 



FI^- 3. — Ch .stnut Blight. Perithecial Stage of Endufhia para-iitica. 



