CL. III.] TRIANDKIA DIGYNIA. ' 89 



Straw a foot high, smooth, striated : spikelets few, large, tumid, 

 with from eight to fifteen flowers. Annual: flowers in July: 

 grows in corn-fields in England : rare, and probably introduced 

 among corn. Eng. Bot. vol. xxvii. pi. 1885. Eng. Fl. vol. i. p. 155. 



189. 



6. B. arvensis. Taper Field Brome-grass. Panicle drooping, 

 spreading, compound with half-whorled branches ; spikelets lance - 

 shaped, acute ; flowers about eight, imbricated, smoothish, about 



as long as the straight awn ; leaves hairy. Straw about three 



feet high, erect, smooth : leaves rough on the edges : panicle very 

 large, with harsh, spreading branches. Annual : flowers in July : 

 grows in corn-fields : rare, and probably introduced. Eng. Bot. 

 vol. xxviii. pi. 1984. Eng. Fl. vol. i. p. 156. 190. 



7. B. erectus. Upright Perennial Brome-grass. Panicle erect, 

 slightly branched ; spikelets narrow lance-shaped, compressed ; 

 flowers about eight, loosely imbricated, lance-shaped, compressed ; 

 awn straight, shorter than the husks ; root -leaves very narrow, 



fringed with scattered hairs.' Straws from two to three feet 



high. Perennial : flowers in July : grows in fields and by road- 

 sides : not common. Eng. Bot. vol. vi. pi. 471. Eng. Fl. vol. i. 

 p. 157. 191. 



8. B. dsper. Hairy Wood Brome-grass. Panicle branched, 

 drooping ; spikelets narrow-oblong ; flowers about eight, lance- 

 shaped, compressed, downy; awns shorter than the husks ; leaves 



uniform, the lower ones hairy. Straw erect, from four to six 



feet high : leaves lance-shaped, pointed, ribbed, fringed at the 

 edges. Annual : flowers in July and August: grows in woods and 

 hedges : common. Eng. Bot. vol. xvii. pi. 1172. Eng. Fl. vol. i. 

 p. 158. 192. 



9. B. sterilis. Barren Brome-grass. Panicle nearly simple, 

 drooping; spikelets narrow, lance-shaped; flowers about seven, 

 lance-shaped, compressed, furrowed; awns longer than the husks ; 



leaves downy. Straws about two feet high : leaves linear, soft 



and downy, fringed at the edges. Annual : flowers in June and 

 July : grows in hedges and by road-sides : common. Eng. Bot. 

 vol. xv. pi. 1030. Eng. Fl. vol. i. p. 159. 193. 



10. B. didndrus. Upright Annual Brome-grass. Panicle erect, 

 somewhat spreading ; flowers lance -shaped, with only two sta- 

 mens. Straws about a foot high, erect, stiff", slender, smooth. 



Annual : flowers in June and July : grows in sandy and gravelly 

 soil : rare. Eng. Bot. vol. xiv. pi. 1006. Eng. Fl. vol. i. p. 160. 194. 



11. B. maximus. Great Brome-grass. Panicle erect, loose, at 

 length spreading ; spikelets lanceolate, downy ; awns two or three 

 times as long as the husks ; leaves downy on both sides. An- 

 nual : flowers in June and July : found by Messrs. Babington and 

 Christy on the sands of St. Aubin'sBay ; Jersey. Eng. Bot. SuppL 

 pi. 2820. Brit. Fl. 4th ed. p. 47. 195. 



38. LAGU'RUS. HARE'S-TAIL-GEASS. 



Calyx one-flowered, of two long, slender, membranous chaff- 

 scales, fringed, as well as their terminal awn, with numerous 

 soft hairs. Corolla of two unequal husks ; the outer longest, 

 egg-shaped, terminating in two equal erect awns, shorter than 

 the calyx, and bearing a much longer awn from the middle of 

 its back, twisted in its lower part, straight in the upper ; inner 

 husk smaller, involute, cleft, awnless. Nectary deeply-cleft, 



