96 



Pheasants appear very 



r 



fected. The seed is afforded in very 



IS 



per- 



Flowers in the second and third weeks of June, and the seed is ripe in the second and third 



weeks of July. 



Briza media. Common Quaking-grass^ Ladies' Tresses. 



Specific character: Spikets egg-shaped ; calyx shorter than the florets. 



0^5.— Stems from half a foot to a foot and a half high, according to the nature of the soil it 



grows on. In moist soils it attains to the greatest size. 



With 



a 



vdth 



and roots perfectly formed. Professor Martyn observes, that it is easily distinguished as a 

 species of Briza by the shaking disposition of its panicle ; whence its name among ancient 



auth 



ors 



ec 



Gramen tremulumJ' The French call these quaking grasses. Amourettes. 



Native of Britain. Root fibrous. Perennial. E. Bot. 340 ; F. Rust. t. 39 ; Wither, ii. 

 p. 148, 



r 



Experiments. — At the time of flowering, the produce from a brown loam, is, 



dr. qr 



- 26 



- 72 



Grass, 14 oz. The produce per acre 



80 dr. of grass weigh, when dry 



The produce of the space, ditto 



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 



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

 Grass, 14 oz. The produce per acre 

 80 dr. of grass weigh, when dry 



oz. 



152460 



3tV 



49549 8 



lbs. 



9528 1% 



3096 13 8 



6431 14 8 



2 3 

 9 2 



6551 



409 7 



28 



^ 



The produce of the space, ditto - - 78 



h 



H 



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 latter-math produce is. 

 Grass, 12 oz. The produce per acre is 

 64 dr. of grass afford of nutritive matter 



152460 

 53362 



9528 12 



3335 1 



3 ] 



U H 



7742 1 



6193 11 



483 14 1 



2 



- 130680 

 4083 12 



From a poor sandy soil destitute of manure, the produce, at the time of flowering, is, 



8167 8 

 255 3 12 



Grass, 16 oz. The produce per acre 

 64 dr. of grass afford of nutritive matter 



174240 = 10890 



80 gr. per acre 



7260 



From a moist clayey soil without manure, the produce, at the time of flowering, is. 



453 12 



Grass, 12 oz. The produce per acre 

 64 dr. of grass afford of nutritive matter 



69 gr. 



From a rich black loam, at the time of flowering, the produce is 



130680 

 4696 5 



8167 8 



293 8 5 



Grass, 14 oz. 8 dr. The produce per acre 

 64 dr. of grass afford of nutritive matter 



90 gr. 



157905 



7401 12 



9869 1 ^ 

 462 9 12 



From the above details, it appears that the weight of ^tritive matter which is lost by * 

 mg the crop at the fme of flowerbg, e«eeds oue-seventh part of its value ; and .he nu»*« 



4 



