254 



CYl'EKACSAB (SBDGB FAMILY) 



Perigynia more slender, 

 long, 3-5 mm. thick. — ■ 

 N. Y., Mich., and Wise; 

 C. ; tiie common forin 



Rather slender, 0.3- 



follieulata. 



form commonest from Mass. southw. June-Sept 

 Fig. 546. 



Var. Fernaldii Bailey, 

 less inflated, 1.2-1.7 cm. 

 Nfd. to Man., s. to Mass., 

 and on the nits. o£ N. C 

 northw. 



176. C. follicuUta L.' 

 1.2 m. higli ; leaves very 

 hroad and flat, yellowish- 

 green, lax ; jristillate spikes 

 2-5, mostly scattered, all but 

 the -uppermost prominently 

 pedimcled; perigynia conic- 

 subnlate, very slightly in- 

 flated, many-nerved, 1-1.5 

 cm. long ; scales atoned and 

 often nearly as long. — Wet 

 woods, meadows and bogs, 

 Nfd. to Out., s. to Md., 

 W. Va., and Mich.; locally 



abundant. June-Aug. Fig. 



545. C. intuniescens. nAQ 



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-i, 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. 

 ( 0. abacta Bailey. ) — Bogs and lalie- 

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

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

 June, July. Fig. 547. 



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-floioered ; perigynia subulate, 1-1.5 

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

 — Bogs and white cedar swamps, K. I. 

 to e. Pa., and southw. ; very local. 

 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, 0-8 mm. thick ; 

 perigynia purple or purple-tinge. I, usually 



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

 slightly exceeding the blunt pmple scale; stigmas 

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

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

 549. 



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

 2. .5-6 dm. high; leaves nearly flliforui : pistillate 

 spikes mostly paler and more alendcr, 1-2.') oui. long, 

 3-7 mm. thick. (C. miliari.t .Mitiix.) — Margins of 

 rivers and lakes, Nfd. to Hudson Lay, locally s. to biS. o, saxatiUs, 



\lf 



subulata. 



C. Michauxiana. 



