90 TRIANDRIA DIGYNIA. QCL. III. 



meats hair-like, shorter than the calyx ; anthers erect, oblong, cleft 

 at both ends. Gertnen oblong. Styles very short; stigmas cylin- 

 drical, feathery. Seed oblong, obtuse, loose, enveloped in the 

 unaltered husks. Name, logos, a hare, and oura, a tail. 54. 



1. L. ovdtus. Hare's-tail-grass. Straws about a foot high, erect, 



round: leaves lance-shaped, acute, ribbed, downy on both sides: sheaths 

 inflated, ribbed, very downy : spike egg-shaped, many-flowered, woolly. 

 Annual : flowers in June : grows in sandy ground : very rare. Guernsey. 

 Eng. Bot. vol. xix. pi. 1334. Eng. Fl. vol. i. p. 167. 196. 



39. AVE'NA. OAT. 



Calyx of two somewhat unequal, broadly lance-shaped, thin, 

 awnless chaff-scales, containing a loose spikelet of several flowers. 

 Corolla of two unequal husks; the outer egg-shaped, involute, 

 pointed at both ends, deeply cleft at the top, and bearing from the 

 back a spirally-twisted awn. Nectary of two lance-shaped scales. 

 Filaments shorter than the corolla ; anthers rather short. Germen 

 obtuse. Styles short ; stigmas densely feathered. Seed oblong, 

 sometimes downy, enveloped in the hardened outer husk, which 

 retains its awn. Name, Avena, of the Romans. 35. 



1. A.fatua. Wild Oat. Panicle erect ; spikelets pendulous ; flowers 



about three, shorter than the calyx, bristly at the base, all awned. 



Straws three feet high, erect, round, smooth : leaves flat, linear, rough, 

 sometimes hairy : panicle erect and spreading, with half-whorled, rough 

 branches. The twisted awn makes an excellent hygrometer, and Smith 

 says the flowers are used by rustic anglers instead of artificial flies. An- 

 nual : flowers in June and July : grows among oats and barley : com- 

 mon. Eng. Bot. vol. rxxi. pi. 2221. Eng. Fl. vol. i. p. 163. 197. 



2. A. ttrigosa. Bristle-pointed Oat. Panicle oblong, inclined to one 

 side; spikelets of two flowers; outer busk tipped with two straight 



bristles. Straws three feet high : leaves rough : chaff-scales as long 



as the spikelet : dorsal twisted awn twice the length of the flower. An- 

 nual : flowers in June and July : grows in corn-fields : common. Eng. 

 Bot. vol. xviii. pi. 1266. Eng. Fl. vol. i. p. 164. 198. 



3. A. pube'scens. Downy Oat-grots. Panicle erect, nearly simple; 

 flowers about three, longer than the calyx, with a bearded stalk ; leaves 



flat, downy ; root somewhat creeping. Straws about two feet high, 



smooth : leaves flat, obtuse, covered with soft hairs : flowers generally 

 three, one of them imperfect : awn from the middle of the husk. Pe- 

 rennial : flowers in June: grows in pastures: not common. Eng. Bot. 

 vol. xxiii. pi. 1640. Eng. Ft. vol. i. p. 164. 199. 



4. A. prattnsis. Narrow-leaved Oat-grass. Panicle erect, with very 

 short simple branches ; flowers about five, longer than the calyx, with 



a hairy stalk ; leaves involute, finely serrated, with smooth sheaths. 



Straw about a foot high, erect, stiff: leaves mostly radical : panicle erect, 

 simple, with some of the upper spikelets sessile. Perennial : flowers in 

 July : grows in dry pastures : common. Eng. But. vol. xvii. pi. 1204. 

 Eng . Fl. vol. i. p. 165. 200. 



5. A. alpina. Alpine Oat-grass. Panicle erect, slightly branched ; 

 flowers about five, longer than the calyx, with their stalk bearded under 



