22 



CEREALS 



Fr(i. 12.^Six-ru\vo(l hariry {H. sati- 

 vum, var. hexastichon). B3, a 

 group of three spikelots. as they 

 appear together at a joint of the 

 rachis. B, Bl , single spikelets. 

 F, a flower (one stigma partly re- 

 moved). Kl, K:2, back and front 

 views of kernel. All more or lesa 

 enlarged. (Neos.) 



Fig. 11.— Twi»-row('il barlej'' (//. sativum, var. distichon). Flower-cluster 

 and base of u ypikclct, slightly reduced. (Mackd.) 



