SEDGE FAMILY. 355 
189. Carex xerantica Bailey. White-scaled Sedge. (Fig. 859.) 
Carex xerantica Bailey, Coult. Bot. Gaz. 17: 151. 
1892. 
Similar to the preceding species but the culms 
are stout, stiff, and strictly erect, even when mature. 
Leaves about 1/’ wide, involute in drying, shorter 
than the culm; spikes about 5, oblong, densely 
. many-flowered, close together or the lower slightly 
separated, 4’’-6’’ long, about 2’’ in diameter, the 
staminate flowers basal; perigynia lanceolate, pale, 
234’/ long, 1’’ wide, nerveless, conspicuously wing- 
margined, the inner face concave, the rough taper- 
ing beak about as long as the body; scales silvery 
white, lanceolate, acute or acuminate, equalling or 
a trifle longer than the perigynia; stigmas 2. 
ent ii i) 
Western Manitoba and adjacent Northwest Terri- 
tory. May-July. 
1go. Carex siccata Dewey. Dry-spiked Sedge. HillsideSedge. (Fig. 860.) 
Carex siccata Dewey, Am. Journ. Sci. 10: 278. 1826. 
Rootstocks long and stout, culms slender, erect, 
rough above, 1°—2° tall. Leaves erect, about 1// 
wide, the upper sometimes overtopping the culm, 
the lower short; bracts short or the lowest bristle- 
form and elongated; spikes 3-6, oblong or subglo- 
bose, 214/’-4’’ long, brownish or brown, clustered 
or more or less separated, the staminate flowers 
basal or variously situated or whole spikes stami- 
nate; perigynia ovate-lanceolate, firm, about 214// 
long and nearly 1/’ wide, wing-margined, strongly 
several-nerved on both sides, the inner face, con- 
cave by the incuryed margins, the tapering rough 
beak nearly as long as the body; scales oyate-lan- 
ceolate membranous, acute or acuminate, about 
equalling the perigynia; stigmas 2. 
In dry fields and on hills, Ontario and Manitoba to 
British Columbia, south to Rhode Island, New York, 
Michigan, Arizona and California. May-July. 
Igt. Carex Muskinguménsis Schwein. Muskingum Sedge. (Fig. 861.) 
Sarees Muskingumensis Schwein. Ann. Lyc. N. Y. 1: 66. 
1824. 
Carex arida Schwein. & Torr. Ann. Lyc. N. Y. 1: 312. 1825. 
Culm stout, stiff, erect, very rough above, 2°-3° tall. 
Leaves flat, long-pointed, 114’/-2'4’’ wide, shorter than 
the fertile culms, those of sterile culms crowded near the 
summit; bracts very short and scale-like; spikes 6-12, ob- 
long-cylindric, densely many-flowered, 6’/-12/’ long, 
about 2'%’’in diameter, erect, close together, pale brown, 
narrowed and staminate at the base; perigynia narrowly 
lanceolate, ascending, about 4’’ long and rather less than 
¥%4// wide, strongly several-nerved, very flat, narrowed to 
both ends, scarious-margined, rough-ciliate, the tapering 
2-toothed beak at least as long as the body; scales | 
lanceolate, acuminate, one-third to one-half as long as 
the perigynia; stigmas 2. 
In moist woods and thickets, Ohio to Michigan, Manitoba 
and Missouri. June-Aug. 
