254 



CYPERACEAE (SEDGE FAMILY) 



Rather slender, 0.3- 



545. C. intumescens. 



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 sfi</ht/>/ in- 

 flated, many-nerved, 1-1.5 

 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. m c folliculata 



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

 yellowish; leaves narrow andflrm, 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-Q-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. ^ s c 8U b U iata 

 June, July. FIG. 548. 



179. C. saxatilis L. Low, 2-3 dm. high; lew* 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, tubglobose or 

 s ^" r ^ c y^ndric, 0.5-2 cm. long, 5-8 mm. thick ; 

 perigynia purple or purple-tin <j<-<1, ux/tnlli/ 

 f'-ss, 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.) Fi<;. 

 549. 



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

 L'.'i ii dm. high ; leaves nearly filiform; {>i*ti!f</t<' 

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

 . r >"><>. C.UUUK, 3-7 mm. thick. (C. militir/s Michx.) Margins of 

 \. miiiuii.s. rivers and lakes, Nfd. to Hudson Bay, locally s. to W9. c. saxatilis. 



M: <' Michauxiana 



