CORYNEPHORUS. — AIRA. 
493 
26. Coryneph'orus Beavfo. 
1. C. canes'cens (Beauv.) ; pan. rather dense long, gl. exceed- 
ing the fl. acuminate, awn from near the base of the pale, 1. 
setaceous. — Jim Sm., E. B. 1190. P. 110. — St. tufted, slender, 
6 — 8 in. high. L. many. Pan. close, spreading with flowers ; 
branches 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., Suif., and Jersey. [Planted near Arisaig, Invern.] P. VI. 
VII. E. 
27. Ai'ra Linn, em., Rchh. Hair-grass. 
* Lower pale truncate, jagged. Nut free, not furrowed on 
the hack. 
Deschampsia Beauv. em. Trin. 
t Awn straight. 
1. A.ccespitosa (L.) ; pan. spreading, 1. flat, gl. slightly rough 
at the midrib, aivn from below the middle of the pale and scarcely 
extending beyond its tip, ped. of second fl. downy or hairj\ — 
E. B. 1453. P. 23.— Boot tufted. St. 1—4. feet high. L. 
rigid, roughish ; their margins involute when drj\ Pan.- 
branches rough. Lower pale with 4 veins in addition to that 
which ends in the rough awn. Kudiment 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 A. al/nna. — 7. longiaristata 
(Parn.) ; awns exceeding the fl., sheaths rough. P. 105. — 
0. A. alpina (L.) ; pan. close, 1. mostly involute, gl. smooth on 
midrib, aivn from above the middle of the pale. Height 6 — 12 
in. L. narrower. Fl. often viviparous. E. B. 2102. P. 23. 
— Meadows, thickets, tfec. /3, 7, and 5 on mountains. P. VII. 
E. S. I. 
tt Awn bent, twisted at the base. 
2. A.flexuosa (L.) ; pan. spreading triply forked with wavy 
branches, 1. very narrow subsetaceous awn from near the base of 
the jjale and exceeding it, pedicel of the second fl. less than j 
of its length, ligule short truncate. — E. B. 1519. P. 107. — St. 
erect, slender, about a foot high. L. solid, nearly terete. 
I'fiper sheaths rough from above dmvnwards. Lower pale 
notched at the tip. — A. montana (Huds. not L.) is a form with 
more slender and shorter leaves. — [var. miriichensis (Meiv.) has 3 
perfect fl. to each spikelet.] — Heathy places. P. VII. E. S. I. 
