SEDGE FAMILY. 



J9 



(Fig 



82. Carex longirostris Torr. Long-beaked Sedge. 



Carex longirostris Torr.; Schwein. Ann. Lye. N. Y. I: 



71. 1824. 



Glabrous, light green, culms very slender, rough- 

 ish above, erect or reclining, io'-3 long. Leaves 

 flat, slightly scabrous, \"-\y 2 " wide, usually not ex- 

 ceeding the culm, the bracts similar, shorter, some- 

 times overtopping the spikes; staminate spikes 1-3, 

 slender-stalked, rarely pistillate at the base; pistillate 

 spikes 2-4, oblong-cylindric, loosely flowered, %'-*' 

 long, 3 X/ -4 X/ in diameter, all filiform-stalked and nod- 

 ding or the upper one nearly sessile; perigynia broadly 

 oval, spreading, smooth, slightly inflated, pale, 

 strongly i-nerved on each side, the body about i" 

 long, contracted into a very slender beak of nearly 

 twice its length; scales lanceolate, spreading, long- 

 acuminate, scarious-margined, 3 // -4 // long; stigmas 3. 



On banks and in moist thickets, New Brunswick to 

 Ontario and the Northwest Territory, south to Massachu- 

 setts, Pennsylvania, Michigan and Nebraska. June-Sept. 



Carex longirostris minor Boott, seems to be but a dwarf form of the pr 



83. Carex Assiniboinensis \V. 

 Assiniboia Sedge. (Fig. 753. ) 



Care* Assiniboinensis W. Boott, Covtt Bot Ga*.f:oi. 



1884. 



Glabrous and nearly smooth, culms filiforr 

 clining, 2-2# long, longer than the Uaym 

 Leaves and bracts i" or lea* wide, the lower re- 

 duced to short purplish sheaths; staminate spike 

 long-stalked; pistillate spikes 2 or .;. distant, loosely 

 few-flowered, 7" -15" long, drooping on filiform 

 stalks; the flowers alternate; perigynia very nar- 

 rowly conic, apprtssed. obtusely 3-angled. sobolatr- 

 beaked, above 3'" long and i " thick above the bate. 

 densely tuberculate-hispid, narrowed into a short 

 stalk; scales lanceolate, scarious-margined, awnrd. 

 about the length of the perigynia; stigmas 3. 



In wet soil, northern Minnesota and Manitoba. 



Summer. 



84. Carex castanea Wahl. Chestnut Sedge. 



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



24: 155. 1803. 

 Carex flexilis Rudge, Trans. Linn. Soc. 7: 98. pi. w. 



1804. 



Culms slender or filiform, nearly erect, rough 

 above, i-3 tall. Leaves I J"-2>" wide, pubes- 

 cent, shorter than the culm; bracts linear-filiform, 

 W-T-W long; staminate spike stalked; pistillate 

 spikes 1-4, oblong or oblong-cylindric, rather 

 loosely flowered, %'-i' long, about 3" thick, 

 drooping on filiform stalks, sometimes close to- 

 gether at the summit; perigynia glabrous, pale 

 brown, ascending, oblong or oblong-lanceolate, 3- 

 angled, few-nerved, tapering gradually into a 2- 

 toothed beak one-half as long as the body, scales 

 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 

 Connecticut, west to Minnesota. June-July. 



21 



754-) 



