Bui. 1354, U. S. Dept. of Agriculture 
Plate I 
The Ears Harvested from 20 Plants of the 3-I- Strain, of the 5-I- 
Strain, and of the Cross, 3-I-X5-I-, Respectively 
The baskets of ears in columns A, B, C, and D were produced from seed that either had been 
self-fertilized (3-1- and 5-1-) or crossed (3-1- X 5-1-) following two, three, four, and five gen- 
erations of self-fertilization 
