j RICE a 
States. Since it forms one of the principal articles of diet 
_ in the densely populated countries of eastern Asia, and has 
Fic. 18.—Map showing, as in Fig. 16, native home and present range of 
rye. (Original.) 
Fig. 19.—Map showing, as in Fig. 16, native home and present range of 
oats. (Original.) 
come to be very widely used in other parts of the world, 
rice doubtless serves as food for more human beings than any 
other grain. 
