GRASSES OF IOWA. 



137 



Fig. 71,D. Rice (Prom Hackel 

 True Grasses. 



Fig. 71 E. Pearl Millet (From Hackel True Grasses.) 



Bice {Oryza sativa, Li.) —In China it was one of the cereals 

 used by the emperor Chin-nong, 2800 B. C, in fact it was the 

 principal cereal and by the Chinese it is supposed to be indig- 

 enous. Its cultivation in India was later, but DeCandolle is 

 inclined to think that it may have been indigenous to that 

 country as well as China. 



