AVEN A . — KffiLEEIA . 
399 
—U. B. 1266. P. 26.— Height 3 feet. Very like A. sativa, but 
readily distinguished by the bristles at the end of the fl. — Corn- 
fields. A. VU. E. S. I. 
** Upper gl, S-veitied. Spikelets erect. Root perennial. 
Lateral clusters of I. barren. 
3. A.praten's{s{lj.); pan. erect with simple or slightly divided 
branches,_/f. erect 3 — 6 exceeding the glumes, 1. rough. — £.£. 
1204. P. 52. — Root fibrous. Height nearly 2 feet. St. usually 
nearly rouud. L. usually short, narrow, acute. Pan.-branches 
usually simple with only one spikelet. — /3. longifolia (Pam.) ; 
1. much longer. — y. alpina ; St. aften compressed and sheaths 
keeled, pan.-branches often with several 5 — G-fl. spikelets, 
upper pale less acute, 1. broader. I believe that none of these 
characters are pennanent. E. B. 2141. P. 53.-^4. planindmis 
of E. B. S. 2G84 appears to belong to this species, differing in 
its gi-eatly compressed st., strongly keeled sheaths and more 
branched panicle. In a. and (3. the lowest fl. sometimes slightly 
falls short of the longer gl., in y. exceeds it. — Dry pastures and 
mountainous places. P. VII. E. S. I. 
4. A. piibes 'cens (L.) ; pan. erect nearly simple, fl. erect 2 or 
3 scarcely exceeding the glumes, lower I. and sheaths hairy. — 
E. B. 1640. P. 53.— Creeping slightly. Height 1—2 feet. L. 
short, rounded behind the tip. — Chalky and limestone districts. 
P. \l. E. S. I. 
30. Aebhenath'eeusi Pal. de Beauv. Oat-grass. 
1. A. avendceum (Beauv.) ; 1. flat. — Holcus Sm., E. B. 813. 
P. 25. — Height 2 — 3 feet. Root fibrous. Knois of the st. gla- 
brous, sometimes downy. Pan. long, ultimately close. Spike- 
lets greenish. — (3. A. hidhosum (Lindl.) ; base of the st. with 
swollen knobs, knots downy. P. 26. — ^Hedges and pastures. 
P. VI. E. S. I. 
Tribe XI. Festuce<E. 
31. Teio'dia R. Br. Heath-grass. 
1. T. demm'hens (Beauv.) ; pan. racemose, spikelets few oval, 
fl. about 4 scarcely extending bej'ond the glumes without awns. 
—E. B. 792. P. 30.— St. 6—12 in. high. L. flat. Sheaths 
rather hairy. Ligule a tuft of hairs. Spikelets few, 1—7. Gl. 
smooth, coriaceous. Lower pale with 3 points, 5-ribbed, hairy 
at the base. — Diy places and heaths. P. VH. E. S. 1. 
32. Kcele'ria Pers. Crested Hair-grass. 
1. K. cristdta (Pers.) ; pan. compact spikelike interrupted 
