80 



ANALYSES OF THE GRASSES. 



Analysis of the ash. 



97-290 



In this analysis, wc find large amounts of soda and sulphuric acid, and only a small 

 quantity of potash. It is an unimportant grass, and it is not sought after by any kind of 

 slock, though it is occasionally eaten. If it can be obtained, however, for the litter of the 

 barn yard, or for the compost heap, it would form a valuable addition. 



X. BLACKISH-GREEN CLUBRUSH (Scirpus atrovirens). 



Gathered three miles south of Albany : cut June 22; height 30-36 inches, just out of 

 flower. One stalk weighed 112-62 grs., and gave 



Per centum. 



Water 40-881 



Dry matter 59-119 



Asii 2-353 



Ash calculated dry 3 -980 



Organic matter calculated dry . - - 96 • 020 



Ash saline. The percentage of inorganic matter in these two last species of Scirpus 



is greater than in the Juncus effiisus, and less than in the Glyceria Jluitans, and the 



other grasses given. 



