254 



CYPERACSAE (SEDGB FAMILY) 



Rather slender, 0.3- 



intumescens. 



546. C. folliculata. 



form commonest from Mass. sonthw. Jnne-Sept 



Fig. 545. 



Var. Ferndldii Bailey. Perigynia more slender^ 



less inflated, 1.2-1.7 cm. long, 3-5 mm. thick. — 



Nfd. to Man., s. to Mass., N. Y., Mich., and Wise; 



and on the mts. of N. C. ; the common form 



northw. 



176. C. folliculUta L. 



1.2 m. high ; leaves very 



hroad and flat., yellowish- 



green, lax ; pistillate spikes 



2-5, mostly scattered, all but 



the uppermost prominently 



peduncled; perigynia conic- 



subulate, very slightly in- 

 flated, many-nerved, 1-1.5 



cm. long ; scales awned and 



often nearly as long. — Wet 



woods, meadows and bogs, 



Nfd. to Ont., s. to Md., 



W. Va., and Mich.; locally 



abundant. June-Aug. Fig. 



546. 



177. C. Michauxiana Boeckl. Slender but stiff and erect, 2.5-6 dm. high, 

 yellowish; leaves narrow and firm, shorter than the culm ; spikes 2-4, the lowest 

 usually remote and short-peduncled, 

 the remainder aggregated and sessile ; 

 perigynia lance-subulate, not inflated, 

 8-13 mm. long, erect or spreading, 

 twice longer than the blunt scales. 

 (C. abacta Bailey.) — Bogs and lake- 

 borders, Nfd. to L. Mistassini, s. to 

 n. N. E., n. N. Y., and Mich.; local. 

 June, July. Fig. 647. 



178. C. subulata Michx. Green, 

 very slender but erect, 1.5-6 dm. high ; 

 leaves soft, 1.5-4 mm. wide, shorter 

 than the culm ; bracts leafy, sheath- 

 ing; pistillate spikes 2-5, scattered, 

 2-6-flowered ; perigynia subulate, 1-1.5 

 cm. long, deflexed. ( C. Collinsii Nutt.) 

 — Bogs and white cedar swamps, R. I. 

 to e. Pa., and southw. ; very local. 543 q subulata. 

 June, July. Fig. 548. 



179. C. saxatilis L. Low, 2-3 dm. high; leaves 2-5 mm. 

 wide, flat, becoming involute, nearly or quite equaling the 

 culm ; staminate spike 1 (rarely 2); pistillate 

 1-3, sessile or short-peduncled, subglobose or 

 short-cylindric, 0.5-2 cm. long, 5-8 mm. thick ; 

 perigynia purple or purple-tinge 1, usually 



nerveless, ovoid, 3-4 mm. long, with a short subentire beak, 

 slightly exceeding the blunt purple scale; stigmas 

 usually 2. — By an alpine pond, Mt. Katahdin, 

 Me.; Lab. and Greenl. July, Aug. (Eu.) Fig. 

 649. 



Var. miliaris (Michx.) Bailey. Slender and taller, 

 2.5-6 dm. high; leaves nearly filiform; pistillate 

 spikes mostly paler and more slender, 1-2.5 cm. long, 

 3-7 mm. thick. (C. miliaris Michx.) — Margins of 

 rivers and lakes, Nfd. to Hudson Bay, locally s. to 5i9. c. saxatUis. 



547. 0. Michauxiana. 



