134 TRIANDRIA-.DIGYNIA. Dactylis. 



in the common kind ; yet there are scarcely sufficient grounds 

 to make it a species, at least not without a comparison of more 

 specimens. 



48. DACTYLIS. Cock's-foot-grass. 



. Linn. Gen. 35. Juss. 31. fY. Br. 110. Lam. t. 44. 



Cal. of 2 unequal, linear-lanceolate, taper-pointed, keeled, 

 compressed valves, containing a spikelet of severaljlorets. 

 Cor. of 2 unequal, lanceolate, keeled, compressed valves ; 

 the outer one more or less awned, flat and membranous at 

 the edges ; inner about as long, but narrovi^er, 2-ribbed, 

 folded, acutely cloven at the point. Necf. of 2 lanceolate, 

 pointed scales, tumid at the base. Filam. capillary, longer 

 than the cor. Anth. cloven at each end. Germ, roundish. 

 Styles very short, distinct. Stigmas spreading, oblong, 

 feathery. Seed oblong, with a longitudinal furrow, covered 

 by the unchanged corolla, but loose, not attached to it. 



Too near to Festuca. 



Root perennial. Stem leafy, simple or branched. Flovoers in 

 dense unilateral panicled tutts. 



1. T>. glomerata. Rough Cock's-foot-grass. 



Panicle distantly branched. Flowers in dense globular tufts, 

 unilateral. Corolla somewhat awned, five-ribbed, taper- 

 pointed. 



D. glomerata. Linn. Sp. PL 105. Willd. v. 1 . 408. Fl. Br. III. 



Engl. Bot.v. 5. t. 335. Mart. Rust. t. \ 4. Knapp t 62. Hook. 



Scot. 37. Sind. 9. Schrad. Germ. u. 1 . 3 11 . Schreb. Gram. v. 1 . 



72. t. 8./. 2. Host Gram. v. 2. 67. t. 94. Leers 2]. t. 3./. 3. Fl. 



Dan. t. 743. 

 Bromus glomeratus. Scop. Cam. v. 1. 76. 

 B. n. 1512. Hall. Hist. v. 2. 238. 



Gramen asperum. Bauh. Hist. v. 2. 467. f. Rail Syn. 401. 

 G. spicatum, folio aspero. Bauh. Prodr. 9. /. Theatr. 45. f. 



Scheuchz.Agr.2^9. t. 6.f. 15. Moris, v. 3. 202. sect. 8. t. 6./. 38. 



In meadows, hedges, and shady places, common. 



Perennial. June — August. 



Root fibrous, tufted. Stem erect, straight, 2 feet high ; leafy be- 

 low ; naked and roughish above. Leaves linear, flat, acute, dull 

 green, spreading, striated, harsh, rough-edged. Sheaths rough, 

 keeled, compressed. Stipula elongated, mostly torn. Panicle 

 alternately branched ; branches angidar, stift',very rough, spread- 

 ing, especially the lowermost, each bearing a compound, ovate 

 or globular, dense tuft, of unilateral, bristly, crowded spikelets 

 Calyx membranous, very unequal ; the outer valve 3-ribbcd, 



