500 ANNUAL REPORT SMITHSONIAN INSTITUTION, 1959 
carry complexes of modifying genes which appreciably reduce the 
monstrosity of pod corn, and a third variety, Baby Golden, carries a 
major modifying gene which, on the basis of preliminary linkage 
tests, appears to be on the sixth chromosome and which acts as an 
inhibitor of pod corn, reducing its expression by approximately half. 
By 
if 
[p 
Ficure 3,—Diagrammatic longitudinal section based on data from several plants of a 
many-eared corn stalk, showing how the position of the ear on the stalk affects its charac- 
teristics. 
it is to bear both male and female flowers. [Drawing by W. C. Galinat] 
The higher ‘the ear, the smaller its size, the fewer its husks, and the more likely 
