152. Carex Assiniboinensis W. Boott. Assini-Boia Sedge

Fig. 1019

C. assiniboinensis W. Boott, Bot. Gaz. 9: 91. 1884.

Glabrous and nearly smooth, culms slender, weak, aphyllopodic, 1°-2 1/2° high, longer than the leaves, strongly reddened at base. Leaves and bracts 1/2"-1' wide, the bracts sheathing; staminate spike long-stalked; pistillate spikes 2 or 3, widely separate, loosely and alternately 1-8-flowered, 4"-15" long, drooping on filiform stalks or upper erect; perigynia very narrowly lanceolate, appressed, obtusely 3-angled, subulate-beaked above, 3" long and 1" thick above the base, densely short-tuberculate-hispid, the beak obliquely cut at orifice; scales lanceolate, scarious-margined, short-awned, nearly the length of the perigynia; stigmas 3.

In wet soil, northern Minnesota, North Dakota and Manitoba. May-July.

152 Carex Assiniboinensis W Boott Assini Boia Sedg 1019

153. Carex Castanea Wahl. Chestnut Sedge

Fig. 1020

Carex castanea Wahl. Kongl. Vet. Acad. Handl. (II.) 24:

155. 1803. Carex flexilis Rudge, Trans. Linn. Soc. 7: 98. pi. 10. 1804.

Culms slender, erect, rough above, 1°-3° tall, reddish-purple at base. Leaves 1 1/4"-3" wide, pubescent, shorter than the culm; bracts linear-filiform, 1/2'-1 1/2" long; staminate spike short-stalked; pistillate spikes 1-4, approximate, oblong or oblong-cylindric, many-flowered, 1/2'-1' long, about 3" thick, drooping on filiform stalks, or upper spreading; perigynia glabrous, pale brown, ascending, oblong or oblong-lanceolate, slightly inflated, 3-angled, few-nerved, tapering gradually into a minutely 2-toothed beak one-half as long as the body; scales light chestnut, thin, ovate or ovate-lanceolate, acute or cuspidate, lacerate or entire, rather shorter than the perigynia; stigmas 3.

In dry thickets and on banks, Newfoundland to Minnesota, south to Connecticut, New York and the Great Lake region. June-July.

153 Carex Castanea Wahl Chestnut Sedge 1020

154. Carex Capillaris L. Hair-Like Sedge

Fig. 1021

Carex capillaris L. Sp. PI. 977. 1753.

Carex capillaris var. elongata Olney; Fernald, Proc. Am. Acad. 37: 509. " 1902.

Glabrous, culms very slender or filiform, smooth, or a little roughish above, erect, 2'-2o' tall, often densely tufted. Leaves 1/2"-1" wide, much shorter than the culm, flat or somewhat involute in drying; lower bract similar, the upper much narrower, all sheathing; spikes all filiform-stalked, the terminal staminate, usually exceeded by pistillate; pistillate spikes 1-3, narrowly oblong, 2"-6" long, 1 1/2" thick, nodding, 2-12-flowered; perigynia oblong, 3-angled, light green, almost nerveless, about \\" long, rather less than 5" thick, the slender beak with oblique, hyaline orifice; scales ovate, scarious-margined, obtuse or acute, shorter than the perigynia; stigmas 3.

Greenland to Alaska, south to Maine, the White Mountains, northern New York, Michigan, and in the Rocky Mountains to Colorado and Utah. Also in Europe and Asia.

154 Carex Capillaris L Hair Like Sedge 1021154 Carex Capillaris L Hair Like Sedge 1022