CYPERACEAE (SEDGE FAMILY) 



241 



476. C. plantaginea x %. 



477. C. Carevana. 



longer than the sharp scales. — Rich woods, N. B, to Man., 

 s. to N. C, Intl., and 111. Apr .-June. Fig. 476. 



122. C. Careyana Torr. Tall and slender, mostly 

 erect, 3-8 dm. high ; leaves bright green, firm, 1-1.5 cm. 

 wide, shorter than the long culm ; bracts leafy ; staminate 

 spike heavy and stalked, 1.8-2.3 cm. 

 long ; pistillate spikes 2-3 (mostly 2), 

 erect, the upper usually near the ter- 

 minal spike, and nearly sessile, the other 

 remote and long-peduncled, loosely 2-8- 

 flowered ; perigynia verj' sharply angled, 

 the beak oblique, finely many-nerved, 

 tidce longer than the sharp scales. — 

 Rich woods, N. Y. and Ont. to Mich, and 

 D. C, local. May, June. Fig. 477. 



123. C. platyphylla Carey. Low, 

 spreading, glaucous^ 1-4 dm. high ; leaves 

 mostly shorter than the culms ; bracts 

 loith thin and sharp-pointed leaf-like tips ; 

 staminate spike stalked ; pistillate spikes 

 2-3, scattered, all more or less pe- 

 duncled, alternately 2-10-flowered ; peri- 

 gynia strongly many-striate, about the 

 length of the acute or cuspidate scales. 

 — Rich shady woods and banks, s. Me. Fruiting culmT perigyn. 

 to Ont., s. to Va. and 111. May, June. imn and leaf-tip 

 Fig. 478. 



124. C. laxiculmis Schwein. Caespitose ; culms slender and lax, 1.5-5.5 dm. 

 long ; leaves usually very glaucous, mostly shorter than the culms, broad (6-12 

 mm.) ; staminate spike usually peduncled, 1-2 cm. long ; 

 pistillate 3-5, very remote, on capillary flexuous peduncles, 

 0.7-1.5 cm. long, 3.5-5 mm. thick; the spreading-ascending 



sharply trigonous-ovoid pen- 

 gynia 2.8-3.2 mm. long, 

 equaling or exceeding the 

 scales. — Glades and rich 

 woods, s. Me. to Va., and 

 Mo. May-July. Fig. 479. 

 In the interior passing to 

 var. copuLATA (Bailey) Fer- 

 nald. Glaucous or some- 

 times deep green ; spikes 1-2 

 cm. long; perigynia 3.3-4 

 mm. long. (C. digitalis, 

 var., Bailey.) — Vt. to Del., 

 O., Mich., and Ont. 



125. C. digitalis Willd. 

 Very slender, bright green, 

 tufted, 1.5-5 dm. high ; leaves 

 narrow ; staminate spike 

 short-stalked ; pistillate .sp/^•^s 

 2-4, on filiform stalks, ascending or slightly spreading, linear, 1-3 cm. long, 

 alternately Jloicered ; perigj^nia 2.5-3 mm. long, longer than the acute ivhitish 

 scales. — Dryish woods and glades. Me. to Ont., Mich., and southw. May-July. 

 Fig. 480. 



126. C. ptychocarpa Steud. Low, glaucous; culms 0.3-1.8 dm. high; leaves 

 flat and rather broad (4-8 mm.), much exceeding the culms; bracts leafy and 

 much prolonged; staminate spike very small and sessile, mostly overtopped by 

 the upper pistillate spike; pistillate spikes 2-3, sessile or short-stalked or rarely 

 the lowest long-peduncled, erect, 0.7-1.5 cm. long; perigynia tawny, narrowly 



gray's manual — 16 



479. C. laxiculmis. 4S0. C. digitalis. 



478. A. platyphylla. 



