284 BULLETIN 772, ~L T . S. DEPARTMENT OF AGRICULTURE. 
Fig. 171. — Teosinte, EucJilaena mexicana. Sketch of plant, much reduced ; pistillate in- 
florescence inclosed in bract (a) and with portion of bract removed (6), X 1 ; lateral 
view of joint of rachis and the fertile spikelet (c), X 2; dorsal view of same, show- 
ing first glume (d), X 2. 
