CLASSIFICATION OF ANGIOSPERMS. 



.471 



FIG. 257. Carex lurida, one of the Sedge family (Cyperacece), found throughout the 

 summer in swamps and wet meadows in the eastern and central United States. It is a 

 perennial grass-like herb with triangular culms, 3-ranked leaves, and with 2 to 4 spikes of 

 flowers. The genus is a vast one of more than a thousand species, widely distributed and 

 most abundant in the temperate zones. After Troth. 



ble those of pop-corn, but the starch grains in the other cells are 

 more or less rounded or slightly polygonal, and vary from 5 to 25 /* 

 in diameter; the central rarefied area is either wanting or usually 

 not more than 2 ^ in diameter. 



(3) Zea Mays saccharata yields the SUGAR CORNS. \Yhile the 



