90 
BULLETIN 772, U. S. DEPARTMENT OF AGRICULTURE. 
LZ 
TS 
a: 
AQ 
a 
Fig. 44.—Wheat, Triticum aestivum. Plant with awned spikes (bearded wheat) and 
(A) a nearly awnless spike (beardless wheat), both X 33 spikelet and floret, x 3. 
