136 HORTUS GRAMINEUS WOBURNENSIS. 



it is certainly more powerful when combined with the grasses 

 which compose hay. About the middle of April it comes into 

 flower, and the seed is ripe generally about the first or second week 

 of June. 



DACTYLIS glomerata. Round-panicled Cock's-foot Grass. 



Specific character: Panicle distantly branched ; flowers in dense 

 globular" tufts, unilateral ; corolla somewhat awned, five- 

 ribbed, taper-pointed. Sm. Engl. Fl. i. p. 134. 



Native of Britain. E. Bot. 335 ; Host. t. 94 ; Mart. F. R. 1. 14 ; 

 F. D. 743 ; Moris, s. 8, t. 6, f. 38 ; Hort.Gram. Fo. 8. Fig. 1. 

 Spikelet magn. 2. Floret magn. 3. Nectary or inner valves. 



Experiments. The produce of herbage, from a space of four 

 square feet of a rich sandy loam, on the 15th of April, is 



Produce per Acre. 

 dr. qr. Ibs. 



Grass, 15 oz. The produce per acre 10209 6 



64 dr. of grass afford of nutritive matter 2 1 



The produce of the space, ditto 8 If 



At the time of flowering, the produce is 



Grass, 41 oz. The produce per acre - 27905 10 



80 dr. of grass weigh, when dry - 34 ~) 



J v 1 1 QQ 1 A A 



The produce of the space, ditto - 278f $ 



The weight lost by the produce of one acre in drying 16045 11 12 



64 dr. of grass afford of nutritive matter 



The produce of the space, ditto 25 



At the time the seed is ripe, the produce is 

 Grass, 39 oz. The produce per acre - 26544 6 



80 dr. of grass weigh, when dry 40 



The produce of the space, ditto - 312 ? 13272 3 

 The weight lost by the produce of one acre in drying 13272 3 

 64 dr. of grass afford of nutritive matter 327 

 The produce of the space, ditto - 34 OJ 3 

 The weight of nutritive matter, in which the seed ) 



QJO 1 C\ \. 



crop exceeds that of the flowering crop, is, j 

 The proportional value which the grass, at the time the seed is 



ripe, bears to that at the time of flowering, is as 7 to 5. The 



produce of latter-math, is 



Grass, 17 oz. 8 dr. The produce per acre - 1191015 



64 dr. of grass afford of nutritive matter, 1 dr.l 



2 qr. The produce per acre 



