360 
GRAMINEJE. 
13. Agrostis Linn. Bent-grass. 
1. A. setacea (Curt.); panicle close oblong, branches and 
pedicels scabrous, glumes unequal acute : outer without lateral 
ribs, outer palea erose at the top 4-ribbed : lateral ribs termi- 
nating in short seta?, awn from the base of the palea and twice 
its length, I. setaceous, sheaths rough, ligule oblong acute. — E. B. 
1188. — Root tufted. L. short, involute, almost capillary. Branches 
of the panicle short. Outer glumes erose at the top ; midrib 
scabrous in its upper half, slightly excurrent at the apex. Inner 
palea very minute with a tuft of hairs at its base. — Dry heaths 
in the south-west. P. VII. E. 
2. A. canina (L.) ; panicle spreading when in flower otherwise 
close, branches and pedicels scabrous, glumes unequal acute : 
outer without lateral ribs, outer palea erose at the top 4-ribbed, 
awn from below the middle and longer than the palea, lower 1. 
setaceous tufted, stem 1. narrow, sheatJis smooth, ligule oblong 
acute. — E. B. 1856. Par.U5. — Root creeping and tufted with 
trailing leafy shoots. St. decumbent below, then erect. L. nar- 
row ; radical involute. Branches of the panicle long, slender. Fl. 
tinged with purple or green. Outer glume not erose at the top ; 
midrib scabrous from rather below the middle. Inner palea 0, 
or verv minute. The awn is sometimes very short or rarely ab- 
sent— Peaty heaths. P. VII. VIII. 
3. A. vulgaris (With.) ; panicle spreading during and after 
flowering, glumes nearly equal : outer toothed on the upper part 
of the keel, ligule short truncate.— E. B. 1671. Par. 12. 13. — St. 
long, ascending or decumbent below and rooting at the joints, 
often producing long prostrate scions. Sheaths mostly smooth. 
Fl. rarely awned. — fi. pumila; casspitose, st. 2 — 3 in. high, fl. 
often awned usually infested with smut. — Rather dry places. 
P. VII. 
4. A. alba (L.) ; panicle compact after flowering, glumes nearly 
equal : outer toothed throughout its keel, ligule elongate acute. — 
E. B. 1189. Par. 13. 14.— St. erect. Sheaths roughish. Panicle 
spreading when in flower, afterwards close. Florets sometimes 
though rarelv awned. — /3. stolonifera ; with long prostrate scions. 
— E. B. 1532. — y. rnaritima; st. procumbent, rooting at the 
joints, panicle small lobed. — Fields, &c. y. sea-sands. P. VII. 
14% Apera Adans. 
1. A. Spica-venti (Beauv.) ; panicle spreading, awn 3 or 4 times 
as long as the palea, "anth. linear-oblong." — R. 1421. Agrostis 
Sm. E. B. 951. Amenagrostis (Trin.) Par. 17— St. 1—2 feet 
high. Panicle very light and elegant. Rudiment of the second 
fl. a small pedicel with a tuft of hair on each side, at the base of 
the inner palea. — Sandy fields, rare. A. VI. VII. E. S. 
