G2 



THE GENUS CAREX IN CALIFORNIA 



obtuse, reddish-brown with lighter center and conspicuous hyaline margins; peri- 

 gynia ascending, oblong-ovoid, 5 mm. long, 2 mm. wide, finely many-nerved, mem- 

 branaceous, triangular, long hairy, round tapering at base, rounded and abruptly 

 beaked at apex, the beak 0.75 mm. long, at length bidentulate. 



Type Locality: Mendocino City, California (Bolander 4700). 



Coast Ranges from southern Oregon as far south as San Mateo Co., Cali- 

 fornia. 



Locs.: Mendocino City, Bolander 4700; Anderson Valley, Mendocino Co., Bolander 4697; 

 Sherwood Valley, Mendocino Co., Dudley; Butler Valley, Humboldt Co., Tracy 2620; Humboldt 

 Hill, Tracy 2430, 2508: Hydesville, Humboldt Co., Blankinship, Tracy 3603; Kneeland Prairie, Tracy 

 & Babcock 3821; Eureka, Tracy 3577, 3644; Fort Ross, Sonoma Co., Heller 6605; Guerneville, Sonoma 

 Co., Davy; Pescadero, San Mateo Co., Dudley. 



Refs.: Carbx qtnodtnama Olnev, Proc. Am. Acad. 7: 394 (1868); W. Boott in S. Wats. 

 Bot. Cal. 2: 251 (1880); Kiik. in Engler, Pflzr. 420 : ,580 (1909). C. Blankinshipii Fern., Erythea 7: 

 121 (1899); type from Hydesville, Humboldt Co., California, Blankinship. 



79. C. hirtissima W. Boott. Cespitose, the culms 3-6 dm. high, strictly 

 erect, sparingly pubescent, not roughened on the angles, much exceeding the leaves; 

 leaf-blades flat, 3-4 mm. wide, or up to 7 mm. on the sterile shoots, loosely hirsute 

 on both surfaces; terminal spike staminate or gynsecandrous, from short- to long- 

 peduncled, 1.5-2.5 cm. long, the scales oblong-obovate, glabrous, or slightly pubes- 

 cent, strongly white margined; pistillate spikes 2-3, linear, 1-2.5 cm. long, 5 mm. 

 wide, more or less strongly separate, the lower on long-exserted peduncles, closely 

 flowered with 20-30 ascending perigynia; lower bract leaf like, sheathing, about equal- 

 ing the culm; scales ovate or obovate, cuspidate or mucronate, shorter than peri- 

 gynia, obscurely pubescent, the midrib green and the margins broad, white hyaline; 



perigynia loosely pubescent, 3.5-4 mm. long, 

 1.75 mm. wide, sessile, the body obovoid, 2.5-3 

 mm. long, obtusely triangular, the sides very 

 obscurely striate, abruptly short-beaked, the 

 beak 1 mm. long, hyaline, very shallowly 

 bidentate. 



Type Locality: Summit Camp, Sierra 

 Nevada, California (Kellogg). 



Rare and local in the central part of the 

 Sierra Nevada. 



Locs.: Summit Camp, Kellogg; Hetch-Hetchy, 

 Tuolumne Co., Congdon. 



Refs.: Carex hirtissima W. Boott in S. Wats. 

 Bot. Cal. 2: 247 (1880); Kiik., in Engler, Pflzr. 420 : 

 744 (1909). 



80. C.triquetra Boott. (Fig. 32). Cespi- 

 tose, the culms 3-6 dm. high, sharply triangular, 

 stiffish, smooth or nearly so, leafy toward base ; 

 leaf-blades rigid, light green, 2.5-6 mm. wide, the 

 sheaths cinnamon-brown tinged and purplish 

 spotted ventrally; staminate spike 1-3 cm. 

 long, short-peduncled; lateral spikes 3-4, pistil- 

 late, or staminate at apex, erect, the upper 

 little exsert-peduncled, approximate and often 

 exceeding the staminate spike, the lower 1-2 

 often widely separate and long exsert-pedunc- 

 led, 1-4.5 cm. long, 4-7 mm. wide, the 5-30 

 perigynia ascending, closely arranged in few 

 Fig. 32. Carex triquetra Boott. rows; lowest bract leaflet-like; scales ovate, 

 , inflorescence, x l; b, scale, x 8; c, short cuspidate, brownish copper-color with 

 perigynium, x 8. broad 3-nerved center and hyaline margins; 



