879 
At the time the seed is ripe, the produce is 
Grass, 22 oz. The produce per acre 
80 dr. of grass weigh when dry - 44 dr. 
The produce of the space, ditto - 193.2 
The weight lost by the produce of one acre in drying 
64 dr. of grass afford of nutritive matter 5 dr. 1 
The produce of the space, ditto - 27.2 j 
The weight of nutritive matter which is lost by taking the crop at 
the time of flowering, exceeding one third part of its value, is 
oz. or lbs. per acre. 
239580 0 = 14973 12 0 
131769 0 = 8235 9 0 
6738 3 0 
18717 3 
The proportional value which the grass at the time of 
flowering bears to that at the time the seed is ripe, is as 
12 to 20. 
The produce of latter-math is 
Grass, 7 oz. The produce per acre - - 76230 0 = 4764 6 0 
64 dr. of grass afford of nutritive matter 1.2 dr, 1786 10 = 111 10 10 
The proportional value which the grass of the latter-math 
bears to that at the time of flowering, is as 6 to 12; and to 
that at the time the seed is ripe, as 6 to 20. 
LXVIII. Cynosurus eruceeformis. Beckmannia erucae- 
formis. Host. G. A. 3, t. 6. 
Linear-spiked dog’s-tail grass. Nat. of Germany. 
At the time the seed is ripe, the produce is 
Grass, 18 oz. The produce per acre - 196020 
80 dr. of grass weigh when dry - 36 dr. 1 §8209 
The produce of the space, ditto - 1 29. 2| ) 
The weight lost by the produce of one acre in drying 
64 dr. of grass afford of nutritive matter 3. ldr. 9954 
The produce of the space, ditto - 14.2-? J 
0 = 12251 
0 = 5513 
6738 
2 = 622 
4 0 
1 O 
3 0 
2 2 
LXIX. Phleum nodosum, . W. B. 2, P. 1 18. 
Bulbous-stalked cat’s-tail grass. Nat. of Britain. 
At the time of flowering, the produce from a clayey 
loam is 
Grass, 18 oz. The produce per acre - 196020 
80 dr. of grass weigh when dry - 38 dr. ) qqinq 
The produce of the space, ditto - 136| J 
The weight lost by the produce of one acre in drying 
64. dr. of grass afford of nutritive matter 2. 2 dr. “I 7 _ 
The produce of the space, ditto - 11.1 J 
0 = 12251 4 0 
8 = 5819 5 8 
6431 14 8 
0 = 478 9 0 
This grass is inferior in many respects to the Phleum 
pratense. It is sparingly found in meadows. From the 
number of bulbs which grow out of the straws, a greater 
portion of nutritive matter might have been expected. This 
