494 98 



3. A. setdcea (Huds.) ; pan. spreading drooping at the end, 

 1. filiform, awn from near the base of the pale and exceeding it, 

 pedicel of second fl. quite equalling \ its length, ligule linear -lan- 

 ceolate. Sy. E. B. 1733. A. uliyinosa Weihe. Desch. discolor 

 R. & S. St. erect, slender. L. folded. Sheaths smooth. 

 Wet turfy bogs, P. VII. VIII. E.S.I. 



** Lower pale bifid. Nut adnate to the pales, furrowed on the 

 back. No rudiment of a third flower. AIROPSIS Fries. 



4. A. caryophyl'lea (L.) ; pan. spreading triply forked, spike- 

 lets rounded below, awn from below the middle of the pale and 

 extending considerably beyond its attenuate deeply bifid tip. 

 JE. B. 812. P. 24. Avena Koch. St. 612 in. high. L. short 

 and narrow. Sheaths roughish from below upiuards. Spikeiets 

 small, rounded below, chiefly* collected at the ends of the 

 branches which are sometimes divaricate with seed. [A. ag- 

 gregata (Jord.) has numerous st. and spikelets clustered at the ends of 

 the pan.-br. A. multiculmis (Dum.), an allied form with the second li. 

 stalked, is also reported as British.] Dry gravelly places. A. V. 



E. S. I. 



5. A. prte'cox (L.) j pan. spikelike oblong, spikelets scarcely 

 rounded below, awn from below the middle usually near the 

 base of the pale and extending considerably beyond its attenuate 

 deeply bifid tip. E. B. 1296. P. 25. Avena Koch. Height 

 1 6 in. Pan. close, oval or oblong. L. very narrow. Sheaths 

 smooth. Dry and sandy places. A. IV. V. E. S. I. 



28. TEISE'TTJM Pers. 



1. T. praterise (Pers.) ; pan. much branched diffuse equal, 

 gl. very unequal about 3-flowered. P. 54. E. B. 952. T. 

 Jiavescens (Beauv.) ed. viii. Avena L. St. about a foot high. 

 Radical 1. and sheaths hairy. Spikelets yellowish. Upper gl. 

 oblong-lanceolate, acuminate. Moral axis hairy, hairs short. 

 F Var. varieqatum (Gaud, under Av.flauesc.) is a mountain form with dark 

 C-iolet gl.]-Fields. P. VII. E. S. I. 



29. AVE'NA Linn. Oat. 



* Upper gl. 5 9- veined. Spikelets ultimately drooping. Root 

 annual. No lateral clusters of leaves. L. alike on both sides. 



1. A.fat'ua (L,) ; pan. erect, spikelets of about 3 fl., fl. falling 

 short of the gl. hairy at the base, lower pale bitid at the end. 

 E. B. 2221. P. 37. Height 3 feet. M. with long fulvous 



