162 



y 



dr. qr. 



■ r 



oz. 



lbs. 



At the time the seed is ripe, the produce is. 

 Grass, 11 oz. The produce per acre 

 80 dr. of grass weigh when dry 

 The produce of the space, ditto 



119790 



7486 14 



29 

 63 3f 



- 43425 14 



2713 15 14 



The weight lost by the produce of one acre in drying 

 64 dr. of grass afford of nutritive matter 

 The produce of the space, ditto 

 The produce of latter-math is, 

 Grass, 4 oz. The produce per acre 



4772 14 2 



1 2 

 4 OA 



2807 9 



175 7 9 



1 2 



43560 

 1020 15 



64 dr. of grass afford of nutritive matter 



The weight of nutritive matter, which is lost by leaving the crop till the seed be ripe, is 



2722 8 

 63 12 15 

 75 8 6 



As it will be found a vain attempt to cultivate or maintain grasses on soils of a nature op. 

 posite to those which naturally produce them; it is therefore necessary, in ascertaining the com- 

 parative value of a grass, that its merits and properties be compared with those of such others 

 only, as affect a similar soil. If we compare the Agrostis vulgaris with this species, it will be 

 found superior in the proportion nearly of 5 to 3. 



The Agrostis vulgaris, (common bent), affords in one season, per acre 



Grass, at the time of flowering 



Or, hav - - _ - 



Latter-math grass - - ^ - 



The Rock Bent-grass, as above, affords in one season, a produce of 



lbs. 



10209 

 4594/- which affords of nutritive matter 



2m 



lbs. 



501 



Grass, at the time of flowering 

 Or, hay - _ _ . 



Latter-math grass 



9528 



4764 V which affords of nutritive matter 



2722 



314 



This species heing therefore inferior to the Common Bent in most points, its value to the 

 Agriculturist can be hut little. The only property that renders it worthy of notice, is the small 

 degree in which it impoverishes the soil: when cultivated on a poor siliceous sandy soil, the pro- 

 duce, though inferior to the above, continued for six years without diminishing in the yearly 

 quantity, and without any manure whatever being applied: a circumstance which was not 

 manifested in any other species of grass. 



; 



Agr 



Bent 



ed Bent 



4 



Trichodium caninitm, var. strammeis arista calicem vix exceclente, (Schrader.) 



Specific character : Panicle branches subdivided, diverging, flexuose; calyx acute; corolla 



l^valved, valve awned, awn longer than the valve, protruding from the back, fixed a little 



below the middle. 



OZ»s.— This grass is evidently nearly allied to the Agrostis canhia of Dr. Smith ; the awn is 

 shorter, branches of the panicle almost smooth, culm more ascending. The whole plant, 

 except the panicle when in flower and seed, of a light straw colour. The branches are 

 numerous, and when in flower, the panicle assumes that appearance which it would have 

 after a shower of snow, being then almost white. The above characters have remained 

 constant after the third time raised from seed on dilFerent soils (i. e.) on a light siliceous 



i 



V 



