THE GENUS CAREX IN CALIFORNIA 



27 



mm. long, 1.75-2 mm. wide, green and brownish tinged, obsoletely nerved toward 

 the base, green margined above, contracted into a bidentate beak J^ length of body. 



Type Locality: Columbia River (Douglas; Seoul er). 



Mountain meadows and slopes from Alberta to Colorado, westward to 

 California and British Columbia. In California it is confined to the Sierra Nevada 

 and extends south to Tulare Co. 



Locs.: Yosemite, Bolander 6215, 6218, Abrams 4398, Dudley; head of Tuolumne, Brewer 

 1772; Tallac and Mcisners, El Dorado Co., Brainerd; Morgan, Tehama Co., Hall & Babcock 4346; 

 Mill Creek, Mt. Lassen, Hall & Babcock 4308 (in part) ; Minarets, Congdon; Tuolumne Soda Spgs.i 



Yosemite Park, Jepson 4409, 4428. 



Refs.: Carex Hoodii Boott, Hook. Fl. Bor. Am. 2: 211, pi. 211 (1840)- W Boott in S 

 Wats. Bot. Cal. 2: 231 (1880); Kuk. in Engler, Pflzr. 420 : 154 (1909). C. muricata L. var. confixa 

 Bailey, Bot. Gaz. 10: 203 (1885), type from Wyoming, Parry 281. C. Hoodii Boott var. nervosa 

 Bailey, Mem. Torr. Club 1: 14 (1889), type Kellogg & Harford 1069 from "California." 



11. C. tumulicola Mackenzie. (Fig..7). Short creeping from tough root- 

 stocks; culms 4.5-8 dm. high, rough above; leaf-blades 1.5-2.5 mm. wide; 

 head 2-5 cm. long, slender and often rather flexuous, the spikes 5-10, the upper 

 aggregated, the lower separate, with 10 or fewer appressed ascending perigynia; 

 bracts, especially the lower, long-cuspidate; scales largely concealing perigynia, 

 brownish straw-color with hyaline margin 

 and green midrib, acuminate to cuspidate; 

 perigynia brownish, lanceolate, 4-5 mm. long, 

 1.5 mm wide, prominently narrow margined, 

 nerved on both surfaces or nerveless on the 

 inner surface, round-tapering and substipitate 

 at base, contracted into a serrulate bidentate 

 beak % to l A length of body. 



Type Locality: Lake Temescal, Ala- 

 meda Co., California (Bioletti). 



Dry soil from Washington and Oregon 

 south in the coastal counties of California to 

 Monterey Co., and in the Sierra Nevada to 

 Tuolumne Co. 



Locs.: Oakland Hills, Bolander 21, 2300; San 

 Francisco, Bolander 6195, Brewer 1568 (in part); 

 Lake Temescal, Alameda Co., Bioletti; Los Gatos, 

 Santa Clara Co., Heller 7309; Stanford University, 

 Elmer 2357; Laribee Creek, Humboldt Co., Tracy 

 4712; Mark West Creek, Sonoma Co., Bolander 3819, 

 3821; Angel Isl., San Francisco Bay, Bolander 1568, 

 1569; Santa Cruz Mts., Bolander 150, Hitchcock 170; 



Pt. Isabel, Contra Costa Co., Davy; Monterey, Davy 7268; Berkeley Hills, Davy 4244; Klamath River, 

 Humboldt Co., Chandler 1416; Santa Rosa, Heller 5324, Congdon; Fort Bragg, Bolander 4765; "Cali- 

 fornia," Bigelow; Eureka, Tracy 4642; Kneeland Prairie, Humboldt Co., Tracy 3835; Humboldt Hill, 

 Humboldt Co., Tracy 2507; Hydesville, Tracy & Babcock 3591; Dinsmore's Ranch, Humboldt Co., 

 Tracy 4104; Permanente Ravine, Hidden Villa and Stanford University, Santa Clara Co., Dudley; 

 Coal Mine Ridge, El Corte Madera, Crystal Spgs. and San Mateo, San Mateo Co., Dudley; St. Helena, 

 Jepson 6242; mountain above Relief Dam, Tuolumne Co., A. L. Grant 370; Calaveras Big Trees, 

 A. L. Grant 4c. 



Refs.: Carex tumulicola Mackenzie, Bull. Torr. Club 34: 154 (1907). Carex muricata 

 L. var. gracilis Boott," W. Boott in S. Wats. Bot. Cal. 2: 232 (1880). "Carex Hookeriana Dewey," 

 Kuk., in Engler, Pflzr. 42": 161 (1909), as to California plant. 



Fig. 7. Carex tumulicola Mackenzie. 



o, inflorescence, X 1; b, scale, X 8; c, peri- 

 gynium, X 8. 



