381 
straws early in the season would cause a loss of nearly one- 
half of the value of the crop, as is clearly proved by former 
examples ; and this property of the straws makes the plant 
peculiarly valuable for the purpose of hay. 
LXXI. Phleum pratense. Var. minor. Wither. B. 2, 
118. Var. 1. 
Meadow cat’s-tail grass. Var. Smaller. Nat. of 
Britain. 
At the time of ripening the seed, the produce from a 
clayey loam is 
oz. 
Grass, 40 oz. The produce per acre - 435600 
80 dr. of grass weigh when dry - 34 dr. \ io/;iqo 
The produce of the space, ditto - 272 ) 
The weight lost by the produce of one acre in drying 
64 dr. of grass afford of nutritive matter 2. 3 dr. ) g ^ 
The produce of the space, ditto - 272 $ 
or lbs. per acre. 
0 = 27225 0 0 
0 = 11570 10 O 
15654 6 0 
3 = 1169 13 3 
The latter-math produce is, 
Grass, 14 oz. The produce per acre - 152460 0 = 9528 12 0 
64 dr. of grass afford of nutritive matter 1.2 dr. 3573 4 = 223 5 4 
LXXII. Elymm arenarius . Engl. Bot. 1672. 
Upright sea-lyme-grass. Nat. of Britain. 
At the time the seed is ripe, the produce from a clayey 
loam is 
0 = 43560 0 0 
0 = 24502 8 O 
18957 8 O 
0 = 3403 2 0 
Grass, 64 oz. The produce per acre - 696960 
80 dr. of grass weigh when dry - 45 dr. q Q o 0 4 n 
The produce of the space, ditto - 576 J 
The weight lost by the produce ^)f one acre in drying 
64 dr. of grass afford of nutritive matter 5 dr. | - 
The produce of the space ditto 80 J 
LXXIII. Elymus veniculatus . Pendulous lyme-grass. 
Engl. Bot. 1586. 
Pendulous sea-lyme-grass. Nat. of England. 
At the time of flowering, the produce from a sandy 
soil is 
Grass, 30 oz. The produce per acre 
80 dr. of grass weigh when dry - 32 dr. 
The produce of the space, ditto - 192 
The weight lost by the produce of one acre in drying 
64 dr. of grass afford of nutritive matter 3. 1 dr. ~ 
The produce of the space, ditto - 24. 1§ 
I 
326700 0 = 20418 12 
130680 0 = 8167 8 
12251 4 
16590 3 = 1036 14 
O 
0 
0 
3 
