STIPA.—PSAMMA. 383 
2951.—St. 2—6 inches high. Branches of panicle mostly 
dividing from their base, never spreading. Awn 3 or 4 times 
exceeding the pale—Sands at Thetford, Suffolk. A. VI. VII. 
kh. 
Tribe V. Stipacee, 
15. Srrpa Linn, Feather-grass. 
[1. S. pennata (L.); awn very long twisted feathery its base 
glabrous.—E. B. 1356.—A beautiful plant with remarkably long 
awns, common in gardens.—On rocks in Long Sleadale 6 miles 
north of Kendal, Westm, Dillenius, P. VI.] E. 
Tribe VI. Arundinea. 
16. Arunpo Linn. 
1. A. Calamagrostis (L.); panicle loose erect, awn very short 
from the bottom of the notch at the top of the outer pale and 
scarcely extending beyond it, hairs longer than the pales, no rudi- 
mentary fl—H. B. 2159. P.84. Calamagrostis lanceolata Koch, 
—8t. slender, 3—4 feet high.—Wet places, rare. P. VII. E, 
2. A. Epigejos(L.); panicle rather close lobed, awn from about 
the middle of the outer pale, hairs longer than the pales, no rudi~ 
mentary fl—E. B.403. P. 16. Calamagrostis, Hook.—St. 3—5 
feet high.—* 8. glauca (Fries); more slender, 1. narrower, pani- 
ele effuse.”—Damp shady places. 8. Near St. Ives, Hunts, 
Rev. W. W. Newbould. P. VII. 
3. A. stricta (Schrad.); panicle close, gl. lanceolate rough on 
the keel one (at least) 3-nerved, outer pale nearly as long as the 
inner gl. deeply notched at the top longer than the hairs, awn 
from below the middle of the pale and scartely extending beyond 
it straight, rudiment of a second fl. present, l. of the barren shoots - 
slender.—E. B. 2160.—Cal. stricta Nutt.—St. erect, 2—3 ft. 
high. L. broad; those of the barren shoots much narrower. 
Uppermost ligule short, blunt; longer and acute in the Irish 
plant. Fl. tinged with purplish-blue—The Irish plant has 
shorter branches to its panicle.—Bogs. Formerly found near 
Forfar. Oakmere, Cheshire. Lough Neagh, Antrim. P. VI, 
VII. 
17. Psamoa Pal, de Beauv. 
1. P. arenaria (R. and 8.) ; panicle cylindrical narrowed up- 
wards, gl. and pales linear-lanceolate acute, hairs 3 of the length 
of the pales.—Arundo Sm., E. B. 520. Ammophila R. P.8.— 
St. erect, stiff, 2—3 feet high. L. rigid, involute; acute, glaucous, 
