3io 



CYPERACEAE. 



55. Carex Bigelovii Torr. Bigelow's Sedge. (Fig. 725.) 



Carex Bigelovii Torr. ; Schwein. Ann. Lye. N. Y. ir 



67. 1824. 



Carex hyperborea Drej. Rev. Crit. Car. 43. 1841. 

 Carex vulgaris var. hyperborea Boott, 111. 167. 1867. 



Glabrous and smooth throughout or very nearly 

 so, culms sharp-angled, erect, 8 / -i8 / tall. Leaves 

 \y 2 "-i" 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 // -i2 // long, iX // -2 // thick, the upper sessile, 

 the lower often slender-stalked; perigynia oval, 

 ascending, about \" 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. 



Greenland 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. pi. 1530. 



1818. 

 Carex Hoppneri Boott; Hook. Fl. Bor. Am. 2: 219. pi. 



220. 1840. 



Glabrous, culm stiff, smooth, \'--j f tall. Leaves 

 rigid, smooth, about \" 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 iK 7 ' in 

 diameter; perigynia oval or ovoid, very short 

 beaked, pale green, faintly few-nerved, about \" 

 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, 6'-i% r 

 tall. Leaves very narrowly linear, ^ // -i // 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, J^'-i' long, 

 iX // ~2 // thick; perigynia ovate-elliptic, pale,, 

 faintly few-nerved, ascending, \y-t" 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. 



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