CL. III.] TRIANDRIA DIGYNIA. 89 



flowers. Annual : flowers in July : grows in corn-fields in England: 

 rare, and probably introduced among corn. Eng. Bot. vol. xxvii. pi. 1885. 

 Eng. Ft. vol. i. p. 155. 189. 



6. B. arvdnsis. Taper Field Brome-grass. Panicle drooping, spread- 

 ing, 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 pro- 

 bably 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. stdrilis. Barren Brome-grass. Panicle nearly simple, droop- 

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



compressed, furrowed ; awns longer than the husks j 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, some- 

 what spreading ; flowers lance-shaped, with only two stamens. 



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. JB. 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. Annual : flowers in June 



and July : found by Messrs. Babington and Christy on the sands of St. 

 Aubin's Bay ; Jersey. Eng. Bot. SuppL pi. 2820. Brit. Fl. 4th ed. 

 p. 47. 195. 



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



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, acute. Fila- 



