MEMOIR 39 PLATE V 
CULM, HUSK, AND SHEATH COLOR OF PURPLE AND SUN RED 
1, Purple, type Ia; 2, weak purple, type Ib 
3, Sun red, type Ila; 4, weak sun red, type IIb; 5, type IIb, inner husks of 
lower ear highly colored from exposure to sunligkt directly after being torn apart 
(Drawings 1 and 3 by C. W. Redwood; 2, 4, and 5 by Bernice M. Branson) 
