254 



CYPERACEAE (SEDGE FAMILY) 



Rather slender, 0.3- 



545. C. intumcscens. 



546. C. folliculata. 



form commonest from Mass, southw. June-Sept 

 FIG. 545. 



Var. Fernaldii 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. folliculata L. 

 1.2 m. high ; leaves very 

 broad 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, 1-1.6 

 cm. long ; scales awned 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. 

 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. 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-Jlowered ; 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. 

 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 

 54T C Michauxiana short-cylindric, 0.5-2 cm. long, 5-8 mm. thick ; 

 perigynia purple or purple-tinged, 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. 

 549. 



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, 

 550.. C. saxa., 3-7 mm. thick. (C. miliaris Michx.) Margins of 

 v. miliaris. rivers and lakes, Nfd. to Hudson Bay, locally s. to 549. c. saxatilis. 



548. C. subulata. 



