74 



THE GENUS CAREX IN CALIFORNIA 



Fig. 41. Carex nebrasken- 

 sis Dewey. 



a, inflorescence, X 1 ; 6, scale, 

 X 7; c, perigynium, X 7. 



inate spikes 1-2, more or less peduncled, 1.5-3.5 cm. 

 long, 3-6 mm. wide; pistillate spikes 2-5, oblong, sessile 

 or short-peduncled, 1.5-6 cm. long, 6-9 mm. wide, con- 

 tiguous or the lower separate, with very many ascending 

 perigynia; lowest bract equaling culm; scales lanceolate, 

 obtusish to acuminate, blackish with light midvein; 

 perigynia ascending, 3-3.5 mm. long, 2 mm. wide, green- 

 ish straw color, compressed bi-convex, ribbed, rounded 

 at base, sessile, contracted at apex into the bidentate 

 beak. 



Type Locality: Nebraska (Hay den). 



Meadows and swamps, South Dakota and Kansas 

 to New Mexico, California and British Columbia. In 

 California it is found in the extreme northern part of 

 the state and it also occurs, apparently abundantly, 

 throughout the Sierra Nevada and in the southern 

 mountains. 



Locs.: Silver Valley, Brewer 1970; Big Trees, Hillebrand 

 2309; Sierra Nevada, Bigelow, Lemmon; Hog Ranch, Yosemite, 

 Hall & Babcock 3331 ; mountains of El Dorado Co., Brainerd; Truckee, 

 Heller 7172; Bishop, Heller 8352; Panamint Canon, Inyo Co., Hall 

 & Chandler 7039; Bonita Meadows, Tulare Co., Hall & Babcock 

 5182; Sierra Valley, Hall & Babcock 4475; Donner Lake, Heller 

 6913; ne. Modoc Co., Manning 439; San Jacinto Mts., Hall 2484, 

 2559, Hasse; Tallac, Ei Dorado Co., Brainerd 59; Ostranders Meadow, 

 Bolander 5018; Sisson, Setchell & Dobie; Huckleberry Meadow, 

 Kaweah River, Hopping 465; Lake Tahoe, Geo. B. Grant, Abrams 

 4804; Mt. Pinos, Hall 6519; Siskiyou Co., Butler 858; Sequoia 

 National Park, Davidson 2130; San Bernardino Mts., Parish 1577, 

 1578, 3280, Reed 985; Juniper Ridge, Sierra Co., Dudley; East 

 Hot Spgs., Sierra Valley, Dudley; Sierra Valley, Lemmon; Grant 

 Park. Dudley 1204; McCloud, Siskiyou Co., Dudley; Sonora Pass, 

 A. L. Grant 390; Bear Valley, San Bernardino Co., Abrams 2925 (in 

 part); Mrs. Watson's, El Dorado Co., Brainerd 61; Lone Pine, 

 M. E. Jones, Jepson 5154; Jess Valley, Griffiths cfc Hunter 432; 

 Surprise Canon, Panamint Mts., Coville & Funston 719; Hobart 

 Mills, Nevada Co., Wagener; Big Meadow, Tulare Co., Dudley 

 3076; Donner Lake, Dudley. 



Refs.: Carex nebraskensis Dew. Am. Jour. Sci. (2) 18: 

 102 (1854). C. Jamesii Torr. Ann. Lye. N. Y. 3: 398 (1836), not 

 Schw. (1824), type collected in the "Rocky Mountains, Dr. James"; 

 W. Boott in S. Wats. Bot. Cal. 2: 243 (1880); Kiik. in Engler, Pflzr. 

 420 : 317 (1909). C. Jamesii Torr. var. nebraskensis Bailey, Proc. 

 Am. Acad. 22: 84 (1886). C. nebraskensis Dew. var. prcevia Bailey, 

 Mem. Torr. Club 1: 49 (1889), based on Carex Jamesii Torr.; Parish, 

 Bull. S. Cal. Acad. 4: 84 (1905). C. nebraskensis Dewey var. ultri- 

 formis Bailey, Bot. Gaz. 21: 8 (1896), type from Ritzville, Wash., 

 Sandberg & Leiberg 194. C. jacintoensis Parish, Bull. S. Cal. Acad. 

 4: 110, pi. 16 (1905), type from San Jacinto Mts., Cal., Hall 2483. 



100. C. paucicostata Mackenzie n. sp. Cespitose 

 with stout short ascending stolons, the culms slender, 

 sharply triangular, smooth or little roughened, 2.5-4 dm. 

 high, phyllopodic ; sheaths smooth, very thin and hyaline 

 ventrally; blades light green, 2-4 mm. wide, flat or 

 channeled at the base; staminate spike solitary, short- 

 peduncled or nearly sessile; pistillate spikes 4-6, linear, 

 3.5-5 mm. wide, 1-4 (mostly 2-3) cm. long, the numerous 

 perigynia appressed-ascending ; lower bracts exceeding 

 culms; scales oblong, obtuse or acutish, blackish with 



