SEDGE FAMILY. 353. 
183. Carex lagopina Wahl. Arctic Hare’s- 
foot Sedge. (Fig. 853.) 
Carex lagopina Wahl. Kongl. Vet. Acad. Handl. (II.) 
24: 145. 1803. 
Culms rough, stiff, erect, 6’-16’ tall. Leaves flat, 
not involute, 1’ or less wide, shorter than the culm, 
bracts very short or wanting; spikes 3-6, oblong, 
dark brown, narrowed at the base, 3/’-4’’ long, 
1'%4’/-2’ thick, densely many-flowered, clustered at 
the summit or the lower somewhat separated, the 
staminate flowers basal; perigynia elliptic or obo- 
vate, rather less than 1/’ long, firm, several-nerved, 
narrowed at the base, rather abruptly tipped by the 
beak; scales ovate, brown, hyaline-margined, acute, 
shorter than the perigynia; stigmas 2. 
Labrador and Greenland to Alaska, south in the 
Rocky Mountains to Utah. Also in northern Europe 
and Asia. Summer. 
184. Carex glareOsa Wahl. Weak Clustered Sedge. (Fig. 854.) 
z Carex glareosa Wahl. Kongl. Vet. Acad. Hand. (II. ) 
24: 146. 1803. 
Closely resembles the preceding species, but has 
weak spreading or reclining culms 2/-18/ long. 
Leaves narrower, flat, about ™%/’’ wide; spikes 2 
or 3, oblong or subglobose, several-flowered, 2/7—4/” 
long, about 144’’ in diameter, brown, subtended by 
very small scale-like bracts, the staminate flowers 
basal; perigynia oblong-oval, strongly several- 
nerved, less than 1/’ long, about 1%4’’ wide, 
short beaked; scales ovate, acute or obtusish, rich 
brown, about as long as the perigynia; stigmas 2. 
Greenland and Hudson Bay to Gaspe, Quebec, west 
through arctic America to Alaska. Also in northern 
Europe and Asia. Summer. 
Carex glaredsa ursina (Dewey) Bailey, Carex Cat. 3. 
1884. 
Carex ursina Dewey, Am. Journ. Sci. 27: 240. 1835. 
Lower densely tufted; spikes smaller. Perhaps a 
mere form of the species. Arctic America. 
185. Carex trispérma Dewey. ‘Three- 
fruited Sedge. (Fig. 855.) 
Carex trisperma Dewey, Am. Journ. Sci. 9:63. 1825. 
Bright green, culms filiform, weak, usually reclin- 
ing or spreading, very slightly roughened, 1°-2'%4° 
long. Leaves flaccid, flat, about 14’’ wide, shorter 
than the culms; spikes 2 or 3, only 2-4-flowered, 
widely separated, the lowest subtended by a bristle- 
form bract 14’-3/ long; perigynia oblong, ascending, 
green, 114’/-2’’ long, rather more than 14’ wide, 
very finely many-nerved, narrowed at both ends and 
tipped with a very short nearly entire beak; scales 
ovate or oyate-lanceolate, hyaline with a green mid- 
vein, acute, somewhat shorter than the perigynia; 
stigmas 2. 
In swamps and wet woods, Newfoundland to Mani- 
toba, south to Maryland, Ohio, Michigan and (accord- 
ing to Webber) to Nebraska. Ascends to 2500 ft. in 
Vermont. June-Aug. 
