CYPERACEAE. 
85. Carex capillaris L. Hair-like Sedge. 
(Fig. 755.) 
Carex capillaris Y,. Sp. Pl. 977. 1753- 
Glabrous, culms slender or filiform, smooth or 
roughish above, erect, 2’-14’ tall. Leaves 1//-1/7 
wide, much shorter than the culm, flat or somewhat 
involute in drying, roughish; lower bract similar, the 
upper much narrower, all sheathing; spikes all fili- 
form-stalked, the terminal one staminate; pistillate 
spikes 1-3, narrowly oblong, 2’/-6” long, 1’ thick, 
nodding, 2-12-flowered; perigynia oblong, 3-angled, 
light green, almost nerveless, about 1’ long, rather 
less than 14’ thick, the slender beak about one-third 
as long as the body; scales oval, scarious-margined, 
shorter than the perigynia; stigmas 3. . 
Greenland to Alaska, Maine, the White Mountains, 
northern New York, Michigan, and in the Rocky Moun- 
tains to Colorado and Utah. Also in Europe and Asia. 
86. Carex arctata Boott. Drooping Wood QA 
Sedge. (Fig. 756.) (} 
f} 
} 
Carex arctata Boott; Hook. Fl. Bor. Am. 2: 227. 1840. 
Glabrous, culms slender, erect or reclining, 1°-234° Y 
long, roughish above. Leaves flat, roughish-mar- v\\) 
gined, much shorter than the culm, the basal ones x i 
| 
| 
3/’-5’’ wide; staminate spike solitary, short-stalked; v. 
pistillate spikes 2-5, linear, 1/-3’ long, 114’’ thick, 
loosely many-flowered, erect, ascending, or at length 
’ \ 
drooping and filiform-stalked, the lower one usually | 
remote; perigynia oblong, or thickest below the mid- 
dle, rather strongly few-nerved, narrowed at each } 
end, about 2’’ long, less than 1’ thick, 3-angled, 
eee 
tapering into a short 2-toothed beak; scales ovate, 
cuspidate or short-awned, about one-third shorter 
than the perigynia; stigmas 3. / 
In dry woods and thickets, New Brunswick to Minne- 
sota, south to Pennsylvania and Michigan. May-June. 
Carex Kniéskerni Dewey, is probably a hybrid with C. cas/anea or C. formosa. 
: Carex arctata Faxoni Bailey, Coult. Bot. Gaz. 13:87. 1888. 
Spikes nearly erect, 2-4 of them clustered near the summit, usually shorter, the staminate one 
very short; perigynia 2'’-2's'’ long. Quebec to New Hampshire, Minnesota and Michigan. 
87. Carex ténuis Rudge. Slender-stalked Sedge. (Fig. 757.) 
Carex tenuis Rudge, Trans. Linn. Soc. 7:97. pl. 9. 1804. 
Carex debilis Boott, Ill. p/. 272. 1860. Not Michx. 1803. 
C. debilis var, Rudgei Bailey, Mem. Torr. Club, 1:34. 1889. 
Culms slender, rough above, erect or commonly re- 
clining, 4/-3° long. Leaves shorter than the culm or 
equalling it, light green, 114//-2'4’’ wide; lower bracts 
similar to the culm-leaves, sometimes overtopping the 
spikes; staminate spike short-stalked; pistillate spikes 
2-5, linear, 1/-3’ long, 1%’ thick, filiform-stalked 
and spreading or drooping; perigynia spindle-shaped, 
glabrous or puberulent, faintly few-nerved, obtusely 
3-angled, 3’’ long, less than 1’ thick, tapering into a 
short 2-toothed beak; scales ovate or oblong, acute, 
cuspidate or obtuse, scarious-margined, one-half as 
long as the perigynia; stigmas 3. 
In woods, Newfoundland to Michigan, Virginia, the 
mountains of North Carolina and Kentucky. May-Aug. 
A hybrid with C. virescens occurs at Revere, Mass. 
Carex ténuis interjécta (Bailey) Britton. 
Carex debilis var. interjecta Bailey, Bull. Torr. Club, 20: 418. 1893. 
Pistillate spikes very slender, often compound at the base, erect or nearly so, filiform-stalked, 
very loosely flowered, the perigynia alternate, only about 2'’ long. New York and Pennsylvania. 
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