STEWART'S DISEASE OP SWEET CORN (MAIZE). 



117 



that several varieties of seed-corn were infected when planted, yielding some diseased plants 

 early in the season, and that other varieties were infected therefrom. This is the more 

 likely because in some varieties there were frequent skips, whole hills being missing. Inas- 

 much as this trial plot furnishes the best evidence possessed by the writer on the interesting 

 question of varietal resistance, all the data are given in table 9 for what they are worth, i. e., 

 as a suggestion toward future experimentation. 



SUSCEPTIBLE AND RESISTANT VARIETIES. 



TABLE 9. Cases by Varieties on July 21 in Department of Agriculture Trial Rows, Southwest Corner 

 of the Farm on the Potomac Flats, beyond the Stables. 



And tome skips. 



tSkips and inferior plants. 



