THE GENUS CAREX IN CALIFORNIA 



Gl 



XXIII. Thiquetr.e Carey. Cespitose, leafy toward base. Leaf-blades narrow, the 

 sheaths not purplish tinged. Terminal spike linear, staminate. Lateral spikes 

 2-4, approximate or more or less separate or sometimes radical, 5-20-flowered 

 in few ranks, the peduncles included or exserted. Bracts sheathing, not purplish 

 tinged, the lowest with a well-developed blade. Pistillate scales greenish or 

 hyaline or reddish-brown tinged. Perigynia membranaceous, ascending, obo- 

 void, short pubescent or glabrous, triangular, tapering and more or less 

 stipitate at base, abruptly contracted into the minute beak, the orifice 

 obliquely cut, minutely bidentate. Achenes triangular, closely enveloped. 

 Style very short, thickish, jointed with the achene, withering and deciduous. 

 Stigmas 3, early deciduous. 



77. C. Whitneyi Olney. (Fig. 31). Cespitose, the culms 2.5-10 dm. high; 

 foliage soft-pubescent, the sheaths loose, the blades 2.5-8 dm. wide; staminate 

 spike short- or long-peduncled, 5-30 mm. long; pistillate spikes 2-4, approximate 

 or lower more or less separate, erect, sessile or short- 



peduncled, suborbicular to linear-oblong, 7-20 (or 25) 

 mm. long, 5-7 mm. wide, closely 5-30-flowered ; lowest 

 bract short-sheathing, about equaling culms; scales 

 ovate, acute or short cuspidate, green, 3-nerved, 

 broadly hyaline-margined; perigynia ascending, ob- 

 ovoid or oblanceolate, sharply triangular, 4.5-5 mm. 

 long, 2 mm. wide, green, puncticulate, about 5-nerved 

 on each face, round-tapering at base, tapering into a 

 smooth beak 0.75 mm. long, the orifice minutely bi- 

 dentate in age. 



Type Locality: Yosemite Valley, California 

 (Brewer 1639). 



Southern Oregon and northern California and 

 south in the Sierra Nevada to Tulare Co. The state- 

 ment is erroneously made by Kukenthal (Pflanzen- 

 reich 4 20 : 581) that Parry collected the species in 

 Colorado. 



Locs.: Soda Spgs., Brewer 1778; Yosemite, Jepson 4348, 

 Bolander 4969, Conydon 81, Brewer 1639, Bolander 619S, Dudley; 

 Tuolumne Soda Spgs., Conydon; El Dorado Co., Brainerd 123; 

 Dormer Lake, Nevada Co., Heller 6941; Mt. Dana, Bolander 

 5086; Ebbetts Pass, Brewer 202.5; Sierra Nevada, Hillebrand 2308, 

 2314; Tobias iMeadow, Tulare Co., Dudley 614; Moraine Lake, 

 Tulare Co., Dudley 2219, Bolander & Keller in 1872; Mariposa 

 Co., Conydon; Tuolumne Meadows, Jepson 4477; Lassen Peak, 

 M. E. Jones; Soda Spgs., Nevada Co., M. E. Jones 2514; Devils 

 Kitchen, R. M . Austin 1300; Iron Canon, Butte Co., R. M. Austin 

 57; Cahoon Meadow, Tulare Co., Dudley. 



Refs.: Carex Whitneyi Olney, Proe. Am. Acad. 7: 

 394 (1808); W. Boott in S. Wats. Bot. Cal. 2: 248 (1880); Kuk. in 

 Engler, Pflzr. 420 : 581 (1909). C. pilosiuscula Boeck. Flora 65: 

 61 (1882), type from salt plains of the Rocky Mts., Donitz. 



78. C. gynodynama Olney. Cespitose, the culms 

 2-7 dm. high, slender, sharply triangular, brownish at 

 base; leaves mostly clustered near base, the blades 3-9 

 mm. wide, sparsely and softly short pubescent; terminal 

 spike staminate or with a few perigynia, sessile or 

 short-peduncled, 1-2 cm. long; lateral spikes 2-4, ob- 

 long-cylindric, 1-3.5 cm. long, 6-9 mm. wide, erect, 

 closely 20-40-flowered, the upper approximate, usually 

 overtopping the staminate spike, short-peduncled, the 

 lower strongly separate, long-peduncled; bracts with 

 short blades; scales ovate-orbicular, short cuspidate or 



Fig. 31. 



Carex Whitneyi 



Olney. 



a, inflorescence, X 1; 6, scale, 

 X 6; c, perigynium, X 6. 



