UNUSUAL FORM OF MAIZE. 53 



increased. From experimental breeding work done on the 

 sweet pea, where it has been determined that from the wild, 

 purple, bicolor type of flower, we have at least six types of 

 colored flower forms, we have at our command experimental 

 methods by which we can determine the character of the ori- 

 ginal wild progenitor of maize. 



University of Pe7insylva?iia. 



