26 CEREALS 
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the same time, this peculiarity makes it possible to grow rice 
where no other grain will thrive. Enormous quantities are 
Fic. 16.—Map of the world showing, by full black, the probable native 
(ona aud by dotted area, the present range in ‘cultivation, of wheat. 
riginal.) 
Fic. 17.—Map showing, as in Fig. 16, native home and present range of 
barley. (Original.) 
produced every year in the warm and moist regions of China, 
India, and the neighboring islands, and in our southern coast 
