230 CYPERACEAE 



80. C. whitneyi Olney. Culms 2.5 to 10 dm. high ; leaf -blades 2.5 to 8 mm. 

 wide; staminate spike peduncled, 5 to 30 mm. long; pistillate spikes 2 to 4, 

 approximate or lower separate, erect, sessile or short-peduneled, 7 to 30 mm. long, 

 closely 5 to 30-flowered; scales ovate, acute or short-cuspidate; perigynia round- 

 tapering at base. 



Sierra Nevada from Tulare Co. to Plumas Co., 4000 to 7000 ft. North to 

 Oregon. 



Locs. Tobias Mdw., Tulare Co., Dudley 614; Yosemite, Jepson 4348; Tuolunme Mdws., 

 Jepson 4477; Donner Lake, Heller 6941; Iron Canon, Butte Co., R. M. Austin 57; Devil's 

 Kitchen, Lassen Peak, E. M. Austin 1300. 



Eefs. CABEX WHITNEYI Olney, Proc. Am. Aead. 7:394 (1868), type loe. Yosemite Valley, 

 Brewer 1639; Mackenzie, Erythea 8:61, fig. 31 (1922). 



81. C. gynodynama Olney. Culms 2 to 9 dm. high, slender, brownish at 

 base ; leaf -blades 3 to 9 mm. wide ; terminal spike usually staminate, 1 to 2 cm. 

 long; lateral spikes 2 to 4, oblong-cylindric, 1 to 3.5 cm. long, closely 20 to 

 40-flowered, the upper approximate, usually overtopping the staminate spike, 

 short-peduncled, the lower strongly separate, long-peduncled ; scales ovate- 

 orbicular, short-cuspidate or obtuse; perigynia ascending, the beak 0.75 mm. 

 long. 



Coast Ranges from San Mateo Co. to Humboldt Co. North to Oregon. 



Locs. Peseadero, San Mateo Co., Dudley; Fort Boss, Sonoma Co., Heller 6605; Sherwood 

 Valley, Dudley; Eureka, Tracy 3577. 



Eefs. CAREX GYNODYNAMA Olney, Proc. Am. Acad. 7:394 (1868), type loe. Mendocino 

 City, Bolander 4700. C. blankinshipii Fern. Erythea 7:121 (1899), type loe. Hydesville, 

 Humboldt Co., Blarikinship. 



82. C. hirtissima W. Boott. Culms 3 to 6 dm. high, erect, purplish red at 

 base; leaf -blades 3 to 7 mm. wide; terminal spike staminate or gynaecandrous, 

 peduncled, 1.5 to 2.5 cm. long; pistillate spikes 2 or 3, linear, 1 to 2.5 cm. long, 

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

 flowered with 20 to 30 ascending perigynia; scales ovate or obovate, cuspidate 

 or mucronate, the margins broad, white-hyaline ; perigynia ascending, the conic 

 beak 1 mm. long. 



Sierra Nevada from Nevada Co. to Mariposa Co., 3700 to 7000 ft. ; Lake Co. 

 Rare and local. 



Locs. Hetch-Hetchy, Congdon; e. base Mt. Sanhedrin, Reynolds. 



Eef. CAREX HIRTISSIMA W. Boott in Bot. Cal. 2:247 (1880), type loe. Summit Sta., Nevada 

 Co., Kellogg. 



83. C. triquetra Boott. (Fig. 33J-1.) Culms 3 to 6 dm. high, stiffish ; leaf- 

 blades 2.5 to 6 mm. wide, the sheaths cinnamon-brown tinged and purplish 

 spotted ventrally; staminate spike 1 to 3 cm. long; lateral spikes 3 or 4, erect, 

 the upper little exsert-peduncled, approximate, the lower 1 or 2 often widely 

 separate and long exsert-peduncled, 1 to 4.5 cm. long, the 5 to 30 perigynia 

 ascending; scales ovate, short-cuspidate, brownish copper-color; perigynia 4 to 

 4.5 mm. long, softly short-pubescent, light green, obscurely several-nerved, the 

 beak 0.3 mm. long. 



Dry hillsides below 2000 ft. from Santa Barbara Co. to San Diego Co. Lower 



California. 



Locs. Santa Inez Mts., Brandegee; Ojai Valley, Elmer 3955; Los Angeles, Hasse ; Avalon, 



TrasTc; San Antonio Mts., Johnston 1917; San Bernardino Valley, Parish 6250. 



Eefs. CAREX TRIQUETRA Boott, Trans. Linn. Soc. 20:126 (1846), type loe. probably near 



Santa Barbara, Nuttall; Mackenzie, Erythea 8:62, fig. 32 (1922). C. monticola Dew. Bot. 



Mex. Bound. 229 (1858), type from San Diego, Parry. 



Sect. 24. Debiles Carey. Culms aphyllopodic, strongly purplish tinged at base, tufted, slen- 

 der, leafy. Leaf-blades flat. Terminal spike normally staminate. Lateral spikes 2 to 5, 

 elongate, narrowly linear, slender-peduncled, the lower often drooping. Bracts green- 

 sheathing, the blades leaflike. Perigynia appressed or ascending, lanceolate to ovoid, 

 membranaceous, obsoletely nerved, rather closely enveloping the achene, tapering to a well- 

 developed conic beak, obliquely cut at orifice and strongly hyaline-tipped, at length 

 bidentate. Achenes triangular, apiculate. Stigmas 3. 



