THE GENUS CAREX IN CALIFORNIA 



89 



121. C. rostrata Stokes. (Fig. 50). Cespitose 

 and stoloniferous, the culms stout, phyllopodic, 3-12 

 dm. high, obtusely triangular and rough above 

 the lowest spike; leaf-blades 2-12 mm. wide, the 

 sheaths strongly nodulose dorsally and little if at 

 all breaking and filamentose ventrally; staminate 

 spikes 2-4, slender, 1-6 cm. long, 4 mm. wide; 

 pistillate spikes 2-4, erect, remote, cylindric, 

 densely many-flowered, sessile or short-peduncled, 

 3-15 cm. long, 6-20 mm. wide, the perignia 

 spreading- ascending or at maturity spreading; 

 lower bract exceeding culm; scales lanceolate, 

 acute or awned, narrower than and from shorter 

 to longer than perigynia; perigynia ovoid, 4-6 

 mm. long, 2 mm. wide, several nerved, mem- 

 branaceous, inflated, round in cross-section, green- 

 ish straw color or darker tinged, abruptly beaked, 

 the beak smooth, 1.5-2 mm. long, with erect or 

 spreading teeth 1 mm. long or less. 



Type Locality: Great Britain. 



Swampy places; Labrador to Alaska, south 

 to Delaware, New Mexico and California, where 

 abundant in the Sierra Nevada and locally in the 

 southern mountains; also collected near San 

 Francisco by Bolander. 



Locs.: Sonora Trail, Brewer 1871; Big Trees, Hille- 

 fcrarad 2312 (in part); Truckee River, Bolander 2161 ; Yosemite, 

 Bolander 4968; Lake Tahoe, Hall & Chandler 4642; Truckee, 

 Heller 7108; Walker Lake, Mono Co., Congdon; Placer Co., 

 Carpenter; Silver Valley, Brewer 1966; Lake Tahoe and Bear 

 Valley, Bolander & Kellogg; Summit Camp, Kellogg; Twelve- 

 Mile House, San Jose R. R., Bolander; Placer Co., Davy 

 3270; Lake Tahoe, Glenn; Lake Bigler, Brewer 2157; Yosemite, 

 Brewer, Abrams 5455; Mono Trail, Bolander 6197; Chico 

 Meadows, Butte Co., Heller 11494; Ravell Meadow, Fresno 

 Co., Dudley; Lake of Islands, Dudley 2384; Grant Park, 

 Dudley 1225; Chagoopa Creek, Dudley 2271; Mountain 

 Lake, Dudley 971; Hockett Meadow, Dudley 971a, 1020, 

 1859; Mt. Whitney, Dudley 2469; Heather Meadow, Dudley 

 1664; Cahoon Meadow, Dudley 1854; Squaw Valley, Placer 

 Co., L. S. Smith Id; Little Kern Lake, Kern River Canon, 

 Jepson 4940; San Francisco, Bolander 152; Sierra Nevada, 

 Lemmon; Mineral King, Coville & Funston 1431; Truckee, 

 Hitchcock 254; Bear Valley, Parish 1575; Eureka, Nevada 

 Co., N. T. Davis 41; Yosemite, Torrey 545; Bear Valley, 

 San Bernardino Co., Abrams 2850; Bishop Creek, Inyo Co., 

 Davidson 2555; Giant Forest, Tulare Co., Dudley 2992. 



Refs.: Carex rostrata Stokes in With. Arrang. 

 Brit. PI. (ed. 2) 2: 1059 (1787). C. vesicaria L. Sp. PI. 979 

 (1753), type from Lapland. C. ampullacea Good. Trans. 

 Linn. Soc. 2: 207 (1794), type from England. C. utriculata 

 Boott in Hook. Fl. Bor. Am. 2: 221 (1840), type from British 

 America, Dr. Richardson; W. Boott in S. Wats. Bot. Cal. 

 2: 252 (1880); Parish, Bull. S. Cal. Acad. 4: 66 (1905). 

 C. rostrata Stokes var. utriculata Bailey, Proc. Am. Acad. 



22: 67 (1886); Kuk. in Engler, Pflzr. 420 : 722 (1909). C. utriculata Boott var. minor Boott, in 

 Hook. Fl. Bor. Am. 2: 221 (1840), type from British America, Dr. Richardson; Parish, 1. c. 



Fig. 50. Carex rostrata Stokes. 



o, inflorescence, X i h; b, scale, X 5; 

 c, perigynium, X 5. 



