AIEA. 429 



■branctea short. Spikelets variegated with purple and white. 

 Anth. dark purple. Lower portion of the awn dark yellow, 

 straight, cylindrical, striated lengthwise and slightly twisted ; 

 upper part clavate, white tinged with purple.— Sandy coasts of 

 Norf., Suffi, and Jersey. P. VI. Vn. E. 



27. Ai'ea Linn. Hair-grass. 



* Zoiverpale truncate,jagged. Nut free, not furrowed on the hack. 

 Deschampsia BeauT. 



t Awn straight. 



1. A. ccespitdsa (L.) ; pan. spreading, 1. flat, gl. slightly rough 

 at the midrib, awn from heloio the middle of the pale and scarcely 

 extending beyond its tip, ped. of second fl. downy or hairy. — 

 B. B. 1453. P. 23.— Root tufted. St. 1—4 feet high. L. 

 rigid, roughish ; their margins involute when dry. Pan.- 

 branches rough. Lower pale with 4 veins in addition to that 

 which ends in the rough awn. Rudiment of third fl. often 

 scarcely, if at all, distinguishable; or half the length of the 

 upper fl. and somewhat clavate. — /3. brevifolia (Parn.) ; radical 

 1. short, sheaths and st. smooth, panicle small. P. 106. Vivi- 

 parous states are often called^, alpina. — y. longiaristata (Parn.); 

 awns exceeding the fl., sheaths rough. P. 105. — d. A. alpina 

 (L.) ; pan. close, 1. mostly involute, gl. smooth on midrib, awn 



from above the middle of the pale. Height 6 — 12 in. L. nar- 

 rower. Fl. often viviparous. B. B. 2102. P. 23.— Meadows, 

 thickets, &c. /3, y, and S on mountains. P. VII. E. S. I, 



ft Awn bent, twisted at the base. 



2. A.flexudsa (L.) ; pan. spreading triply forked with wavy 

 branches, I. very narrow subsetaceous, aivnfrbm near the base of 

 the pale and exceeding it, pedicel of the second fl. less than f 

 of its length, ligule short truncate. — E. B. 1619. P. 107. — St. 

 erect, slender, about a foot high. L. solid, nearly terete. 

 Upper slieaths rough from, above dovmioards. Lower pale 

 notched at the tip. — A. montana (Huds. not L.) is a form with 

 more slender and shorter leaves.— Heathy places. P. VH. 



E.S.L 



3. A. set'acea (Huds.) ; pan. spreading drooping at the end, 

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

 pedicel of second fi, quite equalling \ its length, ligide linear-lan- 

 ceolate. 8y. B. B. 1733. A. uliginosa Weihe. — St. erect, 



slender L. folded. Sheaths smooth. — Wet turfy bogs. P. 



vn. vin. e. s. l 



