112 
ANALYSES OF THE OAT. 
The following is the composition of a black oat from the same locality, cultivated in 
the same manner, and upon the same soil : 
Black oat. 
Water in the grain - - - - 9-88 
Silica ... 
15*000 grs. 
Per centum : calculated without 
organic matter. 
- 
- 
6-030 
43-177 
Phosphate of iron 
- 
- 
0-180 
1-287 
Phosphate of lime 
- 
0-330 
2-357 
Phosphate of magnesia 
- 
0-673 
4-817 
Phosphoric acid - 
- 
1-997 
14-295 
Carbonate of lime 
- 
0-040 
0-284 
Magnesia ... 
- 
0-010 
0-067 
Potash 
- 
1-491 
10-670 
Soda ... 
- 
1-342 
9-606 
Phosphate of potash and soda 
1-680 
12-025 
Chlorine ... 
- 
- 
0-125 
0-894 
Sulphuric acid 
- 
- 
0-062 
0-440 
Carbonic acid 
- 
- 
trace. 
Organic matter - 
0-800 
14-760 
99-919 
ANALYSIS OF A CAREX FROM BEMENT’S FARM. 
[Received too late to be inserted in its proper place. See p. 81.] 
Cut June 10th, just before the flower spikes made their appearance : from 24- 36 inches high. 
100 grs. of fresh grass gave 
Water - 
Dry matter - 
Ash - - - - 
Ash calculated dry 
Organic matter calculated dry 
71-783 
28-217 
1-538 
5-451 
94-549 S. 
