PLATE i 
v A.—Disease-free seed com germinated on nutrient glucose agar in Petri dishes. 
The kernels were surface-sterilized with alcoholic bichlorid of mercury for one minute. 
(See p. 959.) 
B and C.—Internally infected seed com germinated on nutrient glucose agar in a 
Petri dish. The kernels were surface-sterilized with alcoholic bichlorid of mercury 
one minute. (See p. 959.) 
