286 BULLETIN 772, U. S. DEPARTMENT OF AGRICULTURE. 
Fig. 173. — Corn, Zea mays. Pistillate Inflorescence (ear) and two branches of staminate 
inflorescence (tassel), X 1 ; pair of pistillate spikelets attached to rachis (cob) with 
mature caryopses (grains), the second glume showing, X 2; single pistillate spikelet 
soon after flowering showing first (at left) and second glumes and young grain, X 2 ; 
staminate spikelet, X 2. 
