A-VENA.-^^MELIGA'. 411 



E. B. S. 2684 appears to belong to this species, differing in its 

 greatly compressed St., strongly keeled sheaths and more branched 

 panicle. In *. and '/3. the lowest fl. s6metimes slightly falls 

 short of the longer gl., in y-. exceeds it; — Dry pastures and moun- 

 tainous places. P. VII. E. S. 



. ■}■■ : ' 



4. A. paies'cens (L.) ; pan. erect nearly simple, fl. erect 2 or 

 3 scarcely, exceeding the glumes, lower I. and sheaths hairt/. — 

 a. B. 1640. P. 68.— Creeping slightly. Height 1—2 feet. L. 

 shorty rounded behind the tip. — Chalky and limestone districts. 

 P. VI. E.S. I. 



30. Aeehenaih'eetjm Pal. de Beauv. , Oat-grass. 



1. A. qvendceum (Beauv.) ;, 1. flat". — Holcus Sm., IE. B. $13. 

 P. 25.-^Height 2 — 3 feet, lioot fibrous. Knots of the st, gla- 

 brous, sometimes downy. Pan. long, ultimately close. Spike- 

 lets greenish.— ;-^. A. bulbosum (lindl.) ; base of the st. with 

 swollen knobs, knots downy. P. 26. — Hedges and pastures. 



Tribe XI. Fesiucece. 

 31. .Tmo'niA a. JBr. Heath-grass. ; 



1. T. deeiim'bens (Beauv.) ; pari, racemose, Spikelets few oval, 

 fl. about 4 scarcely extending beyond the glumes without awns. 

 —JS. B. 792. P. 30.— St. 6—12 in. high. L. flat. Sheaths 

 rather hairy. Lig-ule a tnffc of hairs. 'Spikelets few, 1 — 7. Gl. 

 smooth, coriaceous. Lower pale with 3 poiiits, S-ribbed, hairy 

 at the base. — Diyjjlaces and heaths. P. VII. ' ■ " 'E. S. I. 



32. Kcelb'eia Pers. Crested Hair-grass. 



1. K. crist&a (Pers.) ; pan. compact , spikelike interi'upted 

 below, lower pale acute, 1. narrow rough at the edges ciliate. — 

 Aira Sm., E..B. 648. P. 19. — Root crowned "spjth theundivided 

 sheaths of the old leavesi . St. 6 — 18 in. high, downy particularly 

 in the upper part. :L., gl. and pales downy or: giaprous. Gl. 

 finely toothed on the keel. Ijower pale, finely toothed on fihe 

 midrib. Sometimes the 1. become convolute. In dry places the 

 1. are much shorter than the st., in damper places long and often 

 nearly, eauaUing the stem.^Pry pastures. A large fqrm on Ben 

 Bulben, CO. Sligo. P. VI. VII. E.^. I. 



33. Mbl'ica lAnn. Mglic. 



1. M. unifldra (Retz.); pan. branchedslightly drooping, spike- 

 lets erect with 1 perfect glabrous fl., gl. equalling pales, 1. flat^ 

 ligule short blunt with a slender. acuminate.] lobe on one side. — 

 B B 1068. P. 18. — Shadv and rocky woods. P. VI. . E. S. I. 



t2 



