SEDGE FAMILY. 



183. Carex lagopina Wahl. Arctic Hare's- 

 foot Sedge. (Fig- 853.) 



Carex lagopina Wahl. Kongl. Vet. Acad. Hancll (II ) 

 24: 145. 1803. 



Culms rough, stiff, erect, 6'-i6' tall. Leaves flat, 

 not involute, i" or less wide, shorter than the culm, 

 bracts very short or wanting; spikes 3-6, oblong, 

 dark brown, narrowed at the base, $"-4" long, 

 i ' , "-2" thick, densely many-flowered, clustered at 

 the summit or the lower somewhat separated, the 

 suuninate flowers basal; perigynia elliptic or obo- 

 vate, rather less than \" long, firm, several-nervrd. 

 narrowed at the base, rather abruptly tipped by tin- 

 beak; scales ovate, brown, hyaline-margined, ;K-UU-, 

 shorter than the perigynia; stigmas 2. 



Labrador and Greenland to Alaska, south in the 

 Rocky Mountains to L 7 tah. Also in northern 

 and Asia. Summer. 





Carex glareosa Wahl. 



i 



Weak Clustered Sedge. (Fig. 85 . 



Carex glarrosa \\rt\\. K.-IIK! V. t \.TM!. Haad! 

 24: 146. 1803. 



Closely resembles the preceding specie*, but ha* 

 weak spreading or reclining culms ' |H* long. 

 Lt.-avi.-s narrower, flat, about #" wide; spike* a 

 or 3, oblong or subglobose, several-flowered. 3' 

 long, about ijj" in diameter, brown, subtended bjr 

 very small -rale-like bracts, the staminate flower* 

 basal; perigynia oblong-oval, strongly several- 

 nen-ed, less than i" long, about #" wide, 

 short beaked; scales ovate, acute or obtnsiali, rich 

 brown, about as long as the perigynia; stigma* a. 



Greenland and Hudson Bay to Gaspe. {Jwbrc. ** 

 through arctic America to Alamka. A 

 Europe and Asia. Summer. 



Carex glareosa ursina < Ik-wry i Bailey, Csr> 



1884. 

 Care.i ursina Dcwey, Am. Joun jo. tJS- 



Lower denst-ly tuft frrhap* a 



mere form of the spti : 



185. Carex trisperma Dexvey. Three- 

 fruited Sedge. (Fig. 855.) 



Carex trisperma Dewey, Am. Journ. Sci. 9: 63. 



Bright green, culms filiform, weak, usually reclin- 

 ing or spreading, very slightly roughened, i-2# 

 long. Leaves flaccid, flat, about y z " wide, shorter 

 than the culms; spikes 2 or 3, only 2-4-flowen-d. 

 widely separated, the lowest subtended by a bristk-- 

 form bract ^'-3' long; perigynia oblong, ascending, 

 green, i>^ // -2 // long, rather more than W wide, 

 very finely many-nerved, narrowed at both ends and 

 tipped with a very short nearly entire beak; scales 

 ovate or ovate-lanceolate, hyaline with a green mid- 

 vein, acute, somewhat shorter than the perigynia; 

 stigmas 2. 



In swamps and wet woods, Ne\vfoundland to Mani- 

 toba, south to Maryland, Ohio, Michigan and ( 

 ing to Webber) to Nebraska. Ascends to 2500 

 Vermont. June-Aug. 



