456 



BOTANY. 



merce are made. It is cultivated extensively in the Southern United 

 States, Cuba, Brazil, and, in fact,, in all warm countrips of tlie world. 



Pigs. 341-4.— Illustrations of Carex. 



Fio. 342. 



Fig. 843. 



Fig. 844. 



Fig. 341. — Underground stem, sending up leafy and flowering stems. 

 Fig. 343.— Male flower. Magnifled. 

 Fig. 843.— Female flower. Magnifled. 

 Fig. 344.— Section of seed. Magnifled. 



It is a curious fact that while the annual production of cane sugar in 

 the world is now about 4,000,000,000 ponuds, yet five hundred 



