CEREALS AND FORAGE PLANTS 359 



grown, those in which only winter barley can be grown, and 

 those in which both can be grown. 



Rye 



62. Production of rye. The United States makes its 

 poorest showing, so far as cereals are concerned, in the culti- 

 vation of rye, coming fifth in the list of rye-producing coun- 

 tries. Russia is far in advance of any other country, with 



FIG. 36. Map shaded to show the states of greatest rye-production. 



762 million bushels in 1911, followed by Germany with 427 

 million bushels, then Austria-Hungary, France, and the 

 United States (33 million bushels). In 1912 the United 

 States produced 35 million bushels, the most productive 

 state being Wisconsin, followed by Michigan, Minnesota, 

 Pennsylvania, New York, New Jersey, and Indiana (Fig. 36). 

 63. Cultivation of rye. Rye seems to have been intro- 

 duced into cultivation later than the other cereals, for the 

 records of it do not extend beyond the Roman agriculture. 

 For this reason, probably, there are fewer kinds of rye than 



