286 BULLETIN 772, U. S. DEPARTMENT OF AGRICULTURE. 



PIG. 173. Corn, Zed mays. Tistillate inflorescence (ear) and two branches of staminate 

 inflorescence (tassel), X \ ; 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. 



