SEDGE FAMILY. 



189. Carex xerantica Bailey. White-acaksd Sedge. (Fig. 85 



* ^__ 



Can:v \fi-aniica Bailey, Coult. Bot. Gaz. 17: 151. 

 1892. 



Similar to the preceding species but the culms 

 arc stout, stiff, and strictly erect, even when mature. 

 Leaves about \" 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 

 staiuinate flowers basal; perigynia lanceolate, pale, 

 j ', " long, i" wide, nen-eless, 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. 



Western Manitoba and adjacent Northwest Terri- 

 tory. May-July. 



190. Carex siccata Dewey. Dry-spiked Sedge. Hillside Sedge. (Fig. 860.) 



Carex sic fata I)ewi 10 rf*. 



Rootstocks long and -tout, rulnw slead 

 rough above, i-2 tall. Leave* erect, bow- 

 wide, the upper sometime* overtopping the culm. 

 the lower short; bracts short or the low**! brirtle- 

 forni and elongated; spikes 3-6, oblong Of Mbflo 

 bose, :-.ng. brownish or brown. rltMtrrrd 



or more or less separated, the Uminate flower* 

 basal or variously situated or whole apike* stain i- 

 nate; pcngynia ovate-lanceolate, finn, about 

 long and nearh '," \si.K-, \\iiiK-margined. rtn>fljr 

 several -nerved on both - :mcr fc*. con- 



cave by the incurved margin-., the Upcriag magh 

 beak nearly as long as the body; K*kor*tr 

 ceolate membranous, acute <r acuminate, about 

 equalling the j>erigynia; stigma* a. 



In drv fields and on hill- >"<! Manitoba to 



British Columbia, south t> York. 



Michigan, Arizona and California. May Jnly 



191. Carex Muskingumensis Sclnvein. Muskintfum Sedge. 



Mnskinguincnsis Schwein. Ann. Lye. N. Y. i: 66. 

 1824. 

 Gn-e.v arida Schwein. & Torr. Ann. Lye. N. Y. i: 312. i2j 



Culm stout, stiff, erect, very rough above, 2-3 tall. 

 Leaves flat, long-pointed, i#"-2#" wide, shorter than 

 the fertile culms, those of sterile culms crowded near the 

 summit; bracts very short and scale-like; spikes 6-12, ob- 

 loug-cylindric, densely many-flowered, 6 // -l2 // long, 

 about 2*4" in. diameter, erect, close together, pale brown, 

 narrowed and staminate at the base; perigynia narrowly 

 lanceolate, ascending, about 4" long and rather les 

 %" wide, strongly several-nerved, very flat, narrowed to 

 both ends, scarious-margined, rough-ciliatc, 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. 



