SEDGE FAMILY 221 



strongly brownish hj-aline-margined at base, spreading; scales ovate, shorter 

 than the perigj-nia, acute or short-cuspidate, brown ; perigj-nia ascending, ovate- 

 lanceolate, thin, 3 to 4.5 mm. long, wing-margined, serrulate above, tapering into 

 a beak 1 nun. long, the tip slender, terete. 



Wet meadows and copses: San Bernardino Mts. ; Sierra Nevada from Tulare 

 Co. to La-ssen Co. ; North Coast Ranges from Mendocino Co." to Siskiyou Co. 

 North to Alaska, east to Colorado. 



Locs. — San Bernarflmo Mts. : Bear Valley, Parish 1,573. Sierra Nevada: Kaweah Peaks, 

 Dudhii 2081; upper San Joaquin River, Ma-dera Co., Ccrngdon ; Hetch-Hetchy, Jepsoii 3477; Cow 

 Creek, Tuolumne Co., Jcpson 6518; Truckee, L. S. Smith 673; De^Vitts, Lassen Co., Davy 3298. 

 Xorth Coast Ranges: Shenvood Valley, Dudley; Beebe's Ranch, Humboldt Co., Tracy 3373; 

 Sisson, Goldsmith 13. 



Refs. — Cakex athrostaciiya Olney, Proc. Ani. Acad. 7:393 (1868), type loc. Yosemite 

 Valley, Brewer 1650; Kiik. in Engler, Pflzr. 4": 193, fig. 32a, b (1909); Mackenzie, Erythea 

 8:43, fig. 18 (1922). C. honplandii Bailey, Proc. Am. Acad. 22:152 (1886) in part, not 

 Kunth. C. athrostavhya Olney var. minor Olney in Bot. King 367 (1871), type from Cal. 



44. C. f estivella Mackenzie. Culms 3 to 10 dm. high ; leaf-blades 2 to 6 mm. 

 wide; spikes 5 to 20, ovoid, 5 to 12 mm. long, densely aggregated into a head 

 12 to 25 mm. long; bracts inconspicuous; scales ovat<?, obtuse to acutish, dark 

 chestnut to brown i.sh-blaek ; perigynia ovate, appressed, lightly nerved ventrall.v, 

 the beak Y^ length of body. 



High montane, 7000 to 10,000 ft. : Sierra Nevada from Eldorado Co. to 

 Tulare Co. ; White Mts. North to Washington, east to Colorado. 



Locs. — Strawberry Creek, Eldorado Co., Braiiurd 226 in part; Sonera Pass, Bretcer 1864; 

 Kaweah Mdw., Diidfry 2208. I'oison Creek, White Mts., Jepsoii 7372. 



Ref. — Carex festivt.lla Mackenzie, Bull. Torr. Club 42:609 (1915), type loc. Albany Co., 

 Wyo., NeJsmi 3275. 



45. C. nubicola I\Iackenzie. Culms 1 to 4 dm. high; leaf -blades 1.5 to 4 mm. 

 wide; head 9 to IS mm. long, the 4 to 7 densely aggregated ovoid or subglobose 

 spikes 5 to 9 mm. long, the perigynia ascending with spreading beaks ; bracts 

 inconspicuous ; scales ovate, acute, blackish ; perigv^nia ovate, strongly winged, 

 abruptl.y contracted into a beak 1/2 length of bodj'. 



Sununits of high mountains: Mt. Dana (our only knowTi locality). North to 

 Alberta, east to Colorado. 



Eefs.— Carex nubicola Mackenzie, Bull. Torr. Club 36:480 (1909). C. festiva Dew. var. 

 decumbens Holm, Am. Jour. Sci. ser. 4, 16:20, 26 (1903), type from Pagosa Peak, Colo., 

 Baker 232, not C. decumbens Ehrh. C. festiva Dew. var. haydeniana W. Boott in Bot. Cal. 

 2:234 (1880), type loc. Mt. Dana, Bolander 5074. 



46. C. pachystachya Cham. Culms 3 to 10 dm. high ; leaf-blades 2 to 4 mm. 

 wide; spikes 4 to S, densely aggregated or more or less separate, ovoid or sub- 

 orbicular, 5 to 8 nun. long, with 10 to 30 at length spreading perigA'nia; scales 

 ovate, dark colored ; perigynia ovate, 3.5 to 5 mm. long, olive-brown, the beak 

 1/2 length of body. 



Humboldt Co. to Siskiyou Co. North to the Aleutian Isls., east to Colorado. 

 It has a wide altitudinal as well as a wide geographical range, and individual 

 plants vary verj- considerably. 



Locs.— Beebe 's Ranch, Humboldt Co., Tracy 3390; Mt. Eddy, Heller 12468; Mt. Sliasta, 

 Pringle; Medicine Lake, Goldsmith 28a. 



Refs. — Caiex pachystachya Cham, ex Steud. Sj-nop. Cyper. 197 (1855), type loc. Unalaska. 

 C. festiva Dew. var. pachystachya Bailey, Mem. Torr. Club 1:51 (1889). C. olympica 

 Mackenzie, Bull. Torr. Cnub 43:610 (1916), n. Cal. to Wash, and B. C. 



47. C. abrupta Mackenzie. Culms 4 to 6 dm. high; leaf-blades 1.5 to 2.5 

 mm. wide; head suborbicular, 9 to 17 mm. long, the 4 to 8 spikes ovoid, 5 to 

 8 mm. long, the perigynia ascending; scales ovate, obtuse, chestnut-brown; peri- 

 gynia oblong-lanceolate, 3.75 to 4 mm. long, soon brownish tinged, abruptly 

 contracted into the beak. 



High montane, 5600 to 10,000 ft., moiuitains of Soutlu'rn California and 

 Sierra Nevada; seacoast, Humboldt Co. 



