84 TRIANDRIA DIGYNIA. [CL. III. 



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. Bat. vol. xii. pi. 792. Eitg. 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, per- 

 fect 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 orbicular, flat, closely 

 invested by the husks. Named from britho, to vibrate. 48. 



1. B. mt'dia. 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. Eng. Fl. vol. i. p. 133. 165. 



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

 flowered ; calyx longer than the flowers. 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 England, and Guernsey and 

 Jersey: very rare. Eng. Bot. vol. xix. pi. 1316. Eng. Fl. vol. i. 

 p. 133. 166. 



33. 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 membranous at the 

 edges; 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'$-foot-gra$s. 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 relished by cattle, but 

 said to improve greatly by culture. Perennial : flowers in June and 

 July : grows by hedges, walls, and roads : common. Eng. Bot. vol. v. 

 pi. 335. Eng. Fl. vol. i. p. 134. 167. 



