PLATE 4 
Necks (upper portions of the peduncles) of the culms of wheat, rye, and selec¬ 
tions from wheat-rye hybrids: 1, wheat; 2, selection K; 3, probable natural 
hybrid in progeny of selection 1; 6, selection D; 7, selection F; 8, selection C; 
9, rye. (Natural size.) 
