370 
XLIV. Holcus lanatus. Curt. Lond. FI. Dan. 1181. 
Meadow soft grass. Yorkshire grass. Nat. of 
Britain. 
At the time of flowering, the produce from a strong 
clayey loam is 
oz. or lbs. per acre. 
304920 0 = 19057 8 0 
106585 14 = 6661 9 14 
12395 14 2 
19057 8 = 1191 1 8 
Grass, 28 oz. The produce per acre 
80 dr. of grass weigh when dry - 26 dr. 1 
The produce of the space, ditto - 157.2§ J 
The weight lost by the produce of one acre in drying 
64 dr. of grass afford of nutritive matter 4 dr. 
The produce of the space, ditto - 28 
At the time the seed is ripe, the produce is 
Grass, 28 oz. The produce per acre - 304920 0 — 19057 8 O 
80 dr. of grass weigh when dry - lddr/) 0 
Ihe produce of the space, ditto - 89. 2§j 
The weight lost by the produce of one acre in drying - 15246 0 0 
64 dr. of grass afford of nutritive matter 2.3 dr. 7 ' „ 010 , . « 
rfii r . >- 13102 0 = 818 14 0 
I he produce of the space, ditto - 1 9. 1 i 
The weight of nutritive matter which is lost by leaving the 
crop till the seed be ripe, exceeding one-third part of its 
value - - - - - 372 3 8 
The proportional value which the grass at the time the 
seed is ripe, bears to that at the time of flowering, is as 
II to 12. 
XLV. Festuca dumetorum. Flo. Dan. 700. 
Pubescent fescue-grass. Nat. of Britain. 
At the time of flowering, the produce from a black sandy 
loam is 
Grass, 16 oz. The produce per acre 
80 dr. of grass weigh when dry - 40 dr. 
The produce of the space, ditto - 128 
The weight lost by the produce of one acre in drying 
64 dr. of grass afford of nutritive matter 1 dr. 
The produce of the space, ditto - 4 
174240 0 = 10890 0 
87120 0 = 5445 0 
5445 0 
2722 8 = 170 2 
0 
0 
0 
8 
XLYI. Poa fertilis. Host. G. A. 
Fertile meadow-grass. Nat. of Germany. 
At the time of flowering the produce from a clayey 
loam is 
Grass 22 oz. The produce per acre - 239580 
80 dr. of grass weigh when dry - 42 dr. 7 
The produce of the space, ditto - 1 84| 3 
The weight lost by the produce of one acre in drying 
■64 dr. of grass afford of nutritive matter 4.2 dr. \ 
The produce of the space, ditto - 24.3 J * 
0 = 14973 12 
8 = 7861 S 
7111 8 
7 = 1052 13 
0 
8 
8 
7 
If the nutritive powers and produce of this species be 
compared with any other of the same family, or such as 
