CALAMAGROSTIS GRAMINEA | 733 
erect, 30-40 inches high, from a perennial base: sheaths scabrous, much 
shorter than the internodes: ligules 144 lines long; leaves scabrous, about 
10 inches long, 2 lines wide: panicle lanceolate in outline, about 7 inches 
long, its branches erect, the longest 2-3 inches long: empty glumes equal, 
scabrous: flowering glume oval, truncate, 4-toothed, 1-14¢ lines long: 
awn rather short, attached below the middle and extending beyond the 
glume: basal hairs about 1 line long: palet nearly as long as its glume. 
Oregon and Washington to Montana. 
C. Cusickii Vasey Contrib. U. S. Nat, Herb, iii, 81. Loosely tuft- 
ed perennial with numerous sterile shoots and few erect flowering stems 
3-4 feet high: sheaths nearly smooth, of the stem half as long as the in- 
ternodes, or the lower ones equalling the internodes, of the shoots close 
and overlapping: ligules obtuse, 2-3 lines long: leaves flat, 6-15 inches. 
long, 2-4 lines wide, hispid on both sides: panicle 6 inches long, narrow 
and densely flowered, its unequal branches erect or ascending, the lower 
ones 1-2 inches long: empty glumes lanceolate, acute or acuminate, 
convex, nearly smooth, rigid, the first 1-nerved, 2-244 lines long, the sec- 
ond- obscurely 3-nerved and slightly shorter: flowering glume 4-toothed 
at the slightly cleft apex 114 lines long: awn attached below the middle, 
exceeding the glume: basal hairs scanty, about half as long as the glume. 
In the mountains of eastern Oregon to California. 
C. neglecta Gaertn, Fl. Wett. i. 91. Glabrous and smooth through- 
out: stems slender, 18-30 inches high: sheaths shorter than the internodes: 
ligules 44 line long or less, truncate: leaves narrow, involute, the basal 
¥% as long as the stems, those of the stems 2-5 inches long, erect: panicle 
contracted, 2-4 inches long, its branches 1 inch long or less, erect; empty 
glumes about 2 lines long, acute, scabrous: flowering glume about % as 
long as the outer ones, obtuse: awn bent, exceeding the glume: basal hairs 
numerous, about half as long asthe glume. In wet places, Oregon and 
Washington to Labrador and Newfoundland. 
C. inexpansa Gray Gram. et. Cyp. i, 20. Stems 144-3 feet high, 
erect: leaves 2 lines wide or less, ruugh, flat, or involute at the apex, the 
basal often 44-24 as long as the stems: panicle contracted, 2-9 inches long, 
its branches 1-2 inches long, erect: empty glumes 144-2 lines long, acute, 
somewhat scabrous: flowering glume obtuse, shorter than the outer ones: 
awn more or less bent, from a little shorter to longer than the glume: basal 
hairs equalling or shorter than the glume. Brit. Columbia to New York, 
to be looked for in Idaho. 
Var. cuprea Kearney U. 8S. Dept. Agr. Div. Agrost. Bull. 11, 37. 
Somewhat stouter and more rigid: panicle more densely flowered: empty 
glumes copper-color or dark purple with copper-colored tips, In shallow 
water, base of Mount Adams, Washington. 
Var. barbulata Kearney 1. c. Stems stout, pubescent just below 
the strongly constricted nodes with short reflexed hairs, somewhat scab- 
rous for some distance below the pubescence: sheaths strongly, twisted: 
panicle rather rigid, purplish: awn very short, attached above the middle, 
not equalling the glume, often wanting. Mason Co. Washington. 
C. hyperborea Lange Fl. Dan. 50. Stems 114-3}feet high, erect, 
smooth: sheaths shorter than the internodes: ligules aboutjl line long: 
leaves 2 lines wide or less, rough, flat, those of the stem 2-10 inches long: 
panicle narrow, 2-9 inches long, its branches 1-2 inchesflong,! erect: emp- 
ty glumes about 2 lines long somewhat scabrous, acute: {flowering glume 
nearly equalling the outer ones, obtuse: awn more orless bent, from a 
