84 TBIANDKIA. DIGYNIA. [cL. III. 



lets : corolla with two dense tufts of shining bristles at the base. 

 Perennial : flowers in July : grows in dry mountainous pastures-, 

 as well as on the sea-coasts : common. Eng. Bot. vol. xii. pU 792, 

 Eng. Fl. vol. i. p. 131. 164, 



32. BRI'ZA. QUAKING-GRASS. 



Calyx of two nearly equal, inversely egg-shaped, slightly 

 keeled, awnless chaff-scales, containing a broadly egg-shaped, 

 obtuse, compressed spikelet of many two-rowed, imbricated, 

 perfect flowers. Corolla of two unequal, obtuse, awnless husks, 

 the outer nearly orbicular, concave, contracted at the edges, the 

 inner much smaller, inversely egg-shaped, inflected at the edges. 

 Nectary a cleft scale. Filaments hair-like, longer than the 

 corolla. Anthers oblong, pendulous. Germen egg-shaped. 

 Styles very short. Stigmas feathery, long. Seed nearly orbi- 

 cular, flat, closely invested by the husks. Named from britho, 

 to vibrate. 48-; 



1. B. media. Common 'Quaking-grass. Spikelets broadly egg- 

 shaped, seven-flowered ; calyx shorter than the flowers. Straw 



about a foot high : leaves deep green : panicle with very slender 

 branches, and large purplish, tremulous spikelets: inner husk 

 finely fringed, entire at the end. A very beautiful grass, but of 

 little value to pasturage. Perennial : flowers in June and July : 

 grows in dry pastures : common. Eng. Bot. vol. v. pi. 340. Eny* 

 Fl. vol. i. p. 133. 165. 



2. B. minor. Little Quaking-grass. Spikelets triangular, seven- 

 flowered ; calyx longer than the flower. Straw about eight 



inches high: leaves pale-green : panicle with hair-like branches : 

 inner husk cleft at the end, and not fringed. Perennial : flowers 

 in June and July : grows in cultivated fields in the south of Eng- 

 land, and Guernsey and Jersey : very rare. Eng. Bot. vol. xix. pi. 

 1316. Eng. FL vol. i. p. 133. 166,. 



S3. DA'CTYLIS. COCK'S- FOOT- GRASS. 



Calyx of two unequal, narrow lance-shaped, keeled, com- 

 pressed, long-pointed chaff-scales, containing a spikelet of 

 several flowers. Corolla of two unequal lance-shaped, keeled, 

 compressed husks ; the outer more or less awned, flat and mem- 

 branous at the edges j the inner narrower, two-ribbed, folded 

 acutely, cleft at the end. Nectary of two lance-shaped, 

 pointed scales. Filaments hair-like, longer than the corolla ; 

 anthers cleft at both ends. Germen roundish. Styles very 

 short, distinct; stigmas feathery, spreading. Seed oblong, 

 loose, covered by the unaltered husks. Named from Dactylus, 

 a finger. 49. 



1. D. glomerdta. Cock's-foot-grass. Panicle distinctly branched, 

 unilateral ; flowers in dense tufts ; corolla somewhat awned, five- 

 ribbed, taper-pointed. Straw erect, about two feet high : leaves 



linear, flat, dark-green, striated, harsh. A coarse grass, little re- 

 lished by cattle, but said to improve greatly by culture. Perennial: 

 flowers in June and July : grows by hedges, walls, and roads : 

 common. 22ng.Bat.foL v. pi, 335. Eng. FL vol. i. p. 134, 167 



