380 97. GRAMINES. 
Upper sheath slightly inflated. Ligule short, obtuse. Spike 
1—3 in. long, branches 1—6-flowered. Anth. yellow. Styles 
combined.—Rich pastures. P. TV.—VI. 
2. A. alpinus (Sm.); st. erect smooth, panicle oblong, glumes 
acute connected below hairy, pale equalling the glumes, awn pro- 
jecting 3 of its length beyond the pale—E. B. 1126. P.4.— 
Root somewhat creeping. St. decumbent at the base, then erect, 
9—12 in. high. Ligule short, obtuse. Uppermost 1. usually 
(not always) short and broad, 4 of the length of its inflated sheath. 
Awn from about the middle of pale, sometimes wanting. Styles 
combined. Spike not exceeding an inch long; silky branches 
4—6-flowered.—On mountains at an elevation of 2500—3500 
feet. Lochna Gar. Ben Lawers. Clova. P. VII. S. 
3. A. geniculatus (L.); st. ascending bent at the knots smooth, 
panicle cylindrical, g/. obtuse connected below ciliated rather 
longer than the pale, awn from near the base of the pale and pro- 
jecting half its length beyond it, anth. linear.—E. B. 1250. P.5. 
—Root fibrous. St. about a foot long, branching below. Knots 
generally (in dry places) oval and fleshy. Upper sheath imflated. 
Ligule oblong. Gl. membranous at the top except the midnb, 
often villose or hairy below. Pale when laid open oblong, obtuse, 
slightly notched. Anth. ultimately violet-yellow. Styles mostly 
combined. Spikes 1—2 in. long —Wet places. P. VI. VII. 
4. A. fulvus (Sm.); st. ascending bent at the knots smooth, 
panicle cylindrical, glumes connected below ciliated rather shorter 
than the pale, awn from just below the middle of the pale and 
scarcely extending beyond it, anth. short and broad.—E. B. 1467. 
P.5,—St. 1—2 feet long, procumbent below. Ligule oblong. 
Spikes 2—3 im. long. Anth. at first white, afterwards orange- 
coloured.—Wet margins of ponds. P. VI.—IX. E. 5. 
5. A. bulbosus (L.) ; st. smooth, panicle evlindrical acuminate, 
gl. distinct abruptly acute downy longer than the pale, awn from 
near the base of the pale and projecting half its length beyond it. 
—E. B. 1249, P.76.—St. 1 foot long, ascending or decumbent, 
in a circular tuft, kneed, the lowermost knots forming ovate fleshy 
knobs. Upper sheath inflated. Ligule oblong. Pale when laid 
open truncate emarginate with a small tooth in the middle. 
Styles combined. Panicles about an in. long, less decidedly 
racemose than in our other species, pedicels usually 1-flowered.— 
Salt marshes in the south, rare. P. VI. E.S. 
6. A. agrestis (L.); st. erect scabrous upwards, panicle taper- 
ing slender, gl. acute connected below nearly glabrous, awn from 
near the base of the pale and projecting half its length beyond 
it—E. B. 848. P. 3.—St. 1—2 feet high, slender. Sheaths 
roughish. Ligule prominent, obtuse. Gl. glabrous but with a 
