ANALYSES OF THE GRASSES. 



81 



Xr. The Carices form another family of coarse grasses, in which the species are very numerous. 

 I subjoin a single analysis of a Carex, a coarsish swamp grass, cut before the spikes had 



appeared. 



Silex ... 



Phosphates of lime and 



Chlorine 



Carbonate of lime 



Magnesia 



Potash - 



Soda - 



Sulphuric acid 



Curbonic acid 



Per centum. 



51-250 

 2-600 

 0-560 

 3-500 

 0-400 



26-060 

 4-065 

 3-755 

 6-170 



98-190 



XII. PANICUM CRUS-GALLI (Cocksfoot grass). 



Grown in the yard of the Old State House : height about 3 feet, in flower. 100 grs. of 

 the plant, nearly dry, gave 



100 grs. 



[AOBICULTTTRAL RePOBT — VoL. 11.] 



11 



