PLATE VII 
Fig. i.—Apple leaves from Tennessee, showing typical spots of the frog-eye disease. 
Fig. 2.—Spores of A Iternaria malt, which is capable of enlarging dead spots on apple 
leaves. 
Fig. 3.—York Imperial apple leaves, showing spots enlarged by A Iternaria malt. 
The dead centers of the spots were produced by burning with a heated rod. 
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