24 



CEREALS 



Fig. 15. — Maize. I. A ,\ oung car cut throUKli the middle lengthwise. 

 Sk, Hk, the main .stalk; Sk', a short branch which beans the car; 8h, 

 .sheathing lower part of the leaf which enfolds the whole ear and its 

 husks; B, blade of the same leaf; R, G, the rain-guard which keeps rain 

 from running into the sheath and prcmioting deca.v; H, the "husks" 

 or large, n)ore or less leaf-like bracts around the eai'; Sg, stigmas (the 

 ".silk") protruding beyond the liusks. .'\hout one-thinl natural size 

 II. A spikelct of the same ear, .showing the bracts {C, C, I), D', E, E') 

 and the o^-ary (O), and the lower part of the styli' (SY) of the single 

 pistil. Enlarged. 



III.'Upi)er part of s(ig)na nf the same, showing the delicate hairs that 

 co\'cr it. Enlarged. (Original.) 



