ZEA 



163 



branch, the so-called "shank." This branch consists of a 

 number of very short internodes with one modified leaf at 

 each node. The blades of the modified leaves have been 



jeaile 

 spihelet 



•lemmas 



pediceljak 



Fig. 59. — A'pair of staminate spikelets of corn (Zea mays) . 



reduced, the leaf sheaths alone remaining. The collection 

 of leaf sheaths on the shank forms the "husk" of the ear. 

 The pistillate spikelets are arranged in rows along a fleshy 

 axis, the "cob." 



