310 CYPERACEAE. 
55. Carex Bigelovii Torr. Bigelow’s Sedge. (Fig. 725.) 
Carex Bigelovti Torr.; Schwein. Ann. Lye. N. Y. 1: 
Ee: Rparicnte Drej. Rev. Crit. Car. 43. 1841. 
Carex vulgaris var. hyperborea Boott, Ill. 167. 1867. 
Glabrous and smooth throughout or very nearly 
so, culms sharp-angled, erect, 8’-18/ tall. Leaves 
114//-2/’ wide, not exceeding the culm, the lower 
bracts similar, but shorter; sheaths slightly or not 
fibrillose; staminate spike stalked, sometimes pis- 
tillate at the base, pistillate spikes 2-4, linear- 
cylindric, loosely flowered at the base, dense above, 
6-12” long, 114’’-2’’ thick, the upper sessile, 
the lower often slender-stalked; perigynia oval, 
ascending, about 1’ long, very faintly nerved, 
scarcely beaked, the orifice entire; scales purple- 
brown with a narrow green midvein and often 
with green margins, obtuse or the lower acute, 
equalling or a little exceeding the perigynia; 
stigmas 2, rarely 3. 
3reenland and Labrador to the higher mountains of northern New England and New York. 
Also in Europe. Summer. 
56. Carex subspathacea Wormsk. 
Hoppner’s Sedge. (Fig. 726.) 
Carex subspathacea Wormsk. Fl. Dan. 9: 4. fl. 7530. 
Pest Hoppneri Boott; Hook. Fl. Bor, Am, 2: 219, f/. 
220. 1840. 
Glabrous, culm stiff, smooth, 1/-7’ tall. Leaves 
rigid, smooth, about 1/’ wide, often overtopping 
the culm; lower bracts foliaceous; staminate spike 
solitary, stalked; pistillate spikes 1-3, erect, sessile 
or very short-stalked, 3//-6’’ long, about 144’ in 
diameter; perigynia oval or ovoid, very short 
beaked, pale green, faintly few-nerved, about 1/’ 
long; scales ovate or ovate-oblong, obtuse or acute, 
shorter than or equalling the perigynia; stigmas 2. 
Greenland to Hudson Bay. Summer, 
57- Carex salina Wahl. Salt-marsh Sedge. (Fig. 727.) 
Carex salina Wahl, Kongl. Vet. Acad. Handl. (II.) 
24:165. 1803. 
* 
Glabrous, culm slender, smooth, erect, 67-18% 
tall. Leaves very narrowly linear, 4//-1/’ wide, 
sometimes overtopping the culm, the lower bract 
similar; staminate spikes I or 2, stalked; pistillate 
spikes 1-3, slender-stalked or the upper sessile, 
erect, loosely few-several-flowered, '4’-1’ long, 
114//-2’’ thick; perigynia ovate-elliptic, pale, 
faintly few-nerved, ascending, 114’ long, tapering 
into a very short entire beak; scales ovate, brown 
with a green midvein, acute or cuspidate, some- 
what longer than the perigynia; stigmas 2. 
In salt marshes, Greenland to Hudson Bay. Also in 
arctic Europe. Summer, 
