130f . BULLETIN OF THE BUSSEY INSTITUTION. 
upon all their results. There is no likelihood that a plant exposed to 
such an abnormal condition as this would exhibit the same composi- 
tion as plants that had been left standing in the field, where they could 
obtain constant supplies of nourishment, until the moment when they 
were gathered for analysis. 
For the sake of ready comparison, it will be well to give here the 
mean composition of the dry substance of the two kinds of grasses, as 
determined in this laboratory. 
Dry matter of the: Blue Joint-Grass. 
Ash (free from C and CO,). . 4.69 
Aibuminolds’ <3) os ¢. Ee 6.81 
Carbohydrates (including fat) 44.60 
Cellulose (free from ash) . . 43.90 
100.00 
Fat (ether extract) . . . . 2 32 
NiECOpen  saee & AS tc ne eee 1.09 
The per cent of dry matter in the 
AY WAS 6s es, 8 en 
I am indebted to my assistant, Mr. D. S. Lewis, for aid in this in- 
vestigation. 
Reed Canary-Grass. 
7.86 
11.70 
43.78 
56.66 
100.00 
3.36 
1.88 
90.17 
