363 
XXX. Cynosurus cristatus. Engl. Bot. 316. Host. G. A. 2. 
t. 96. 
Crested dog’s-tail grass. 
At the time of flowering, the produce from the brown 
loam, with manure, is 
Grass, 9 oz. The produce per acre - - 98010 0 = 
80 dr. of grass weigh when dry - 24 dr. ") _ 
The produce of the space, ditto 43 f ~~ 
The weight lost by the produce of one acre in drying 
64 dr. of grass afford of nutritive matter 4. 1 dr. ) e „ _ 
The produce of the space, ditto - 9. 2 yg ) ° 1 ~ 
At the time the seed is ripe, the produce is 
Grass, 18 oz. The produce per acre - - 196020 0 = 
80 dr. of grass weigh when dry - 32 dr. } 7040 s n — 
The produce of the space, ditto - 115.0^ ) 
The weight lost by the produce of one acre in drying 
64 dr. of grass afford of nutritive matter 2. 2 dr. > 7657 0 — 
The produce of the space, ditto - 11.1 j u ~ 
The weight of nutritive matter which is lost by taking the crop 
at the time of flowering, exceeding one-sixth of its value 
lbs. per acre. 
6125 10 0 
1837 11 0 
4287 15 0 
406 12 7 
12251 4 
4900 0 
7350 12 
478 9 
71 12 
XXXI. Avena pratensis. Engl. Bot. 1204. FI. Dan. 1083. 
Meadow oat-grass. Nat. of Britain. 
At the time of flowering, the produce from a rich sandy 
loam is 
Grass, 10 oz. The produce per acre - - 108900 O = 
80 dr. of grass weigh when dry - 22 dr. \ 2 _ _ 
The produce of the space, ditto 44 / 
The weight lost by the produce of one acre in drying 
64 dr. of grass afford of nutritive matter 2. 1 dr. 1 S828 8 — 
The produce of the space, ditto ■ 5.2^ J " — 
At the time the seed is ripe, the produce is 
Grass, 14 oz. The produce per acre - - 152460 0 = 
80 dr. of grass weigh when dry - 24 dr. \ 45700 0 = 
The produce of the space, ditto - 67. Oi j 
The weight lost by the produce of one acre in drying 
64 dr. of grass afford of nutritive matter 1 dr. ) 2382 _ 
The produce of the space, ditto - 3.2 \ 
The weight of nutritive matter which is lost by leaving the crop 
^ till the seed be ripe, exceeding one-third part of its value 
6806 4 O 
1871 11 8 
4934 8 8 
239 4 8 
9528 12 0 
2858 10 O 
6670 2 O 
148 14 3 
- 90 6 O 
The proportional value which the crops, at the time the 
seed is ripe, bear to that at the time of flowering, is as 4 
to 9. 
