University of Arizona 321 



to the single head type, and about half of the heads of these plants 

 were upright. 



It appears from these studies that some of the plants were pure 

 for the type selected, while others, due to some unusual position in 

 the field, such as crowding or lack of moisture, failed to develop 

 normally. Selections were made for carrying the work further next 

 season. 



W. E. Br VAN, 



Acting Plant Breeder. 

 C. O. Bond, 

 Assistant Plant Breeder. 



