PLATE 99- 



Representative heads of F3 families of the cross between durum and Marquis. 



A, B, C, D. — F3 families which were classified as dimims. Note that these repre- 

 sent all types of head density. 



E- — Heads of an awnless F3 emmer family. 



F. — Four heads of an F3 plant which resembles common wheat in head shape and 

 is rust-resistant. 



