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 move 

 specimens. 



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



Linn. Gen. 35. Juss.3\. FL Br. 1 10. Lam. t. 44. 



CaL of 2 unequal, linear-lanceolate, taper-pointed, keeled, 

 compressed valves, containing a spikelet of several ^ore/5. 

 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 narrower, 2-ribbed, 

 folded, acutely cloven at the point. Nccf. 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 Festiica. 



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

 dense unilateral panicled tufts, 



1. Y>. glomcrata. 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 1 05. Willd. v. 1 . 408. FL Br.lW. 



EngL Bot. V. 5. t. 335. Mart. Bust. t. 14. Knapp t 62. Hook. 



Scot. 37. Sind. 9. Schrad. Germ. v. 1.311. Schreb. Gram. v. I . 



72. t. 8./. 2. Host Gram. v. 2. 67. t. 94. Leers 21. L S.f. 3. FL 



Dan. t. 743. 

 Bromus glomcratus. Scop. Cam. v. 1. 76. 

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



Gramen asperum. Baiih. Hist. v. 2. 407./. RaiiS}jn, 401. 

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



Scheuchz.Agr. 299. t. 6.f. 15. Moris, r.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 j leafy be- 

 low 5 naked and roughish above. Leaves linear, flat, acute, dull 

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

 keeled, compressed. Stipula elongated, mostly torn. Panicle 

 alternately branched ; branches angular, stiff, very rough, spread- 

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

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

 Calijx membranous, very unequal ; the outer valve 3-ribbcdj 



