214 FIELD CROPS 



As with wheat, there are winter and spring forms. Win- 

 ter barley is less hardy than winter wheat, but more so than 

 winter oats. The winter varieties usually grown are of the 



Fig. 71. Grains of six-rowed (on the left) and two-rowed (on the right) 

 barley. The grains in the lateral spikelets of six-rowed barley are com- 

 pressed as shown; there should be twice as many of these compressed grains 

 as of fully developed ones in a sample of this type. Note that there are no 

 compressed grains in the two-rowed barley. 



six-rowed bearded hulled type, though almost any variety 

 will survive the winter in the milder portions of the South. 

 The cultivation of winter barley is mostly confined to the 



