THE GENUS CAREX IN CALIFORNIA 



33 



a 



Fig. 12. Carex nervina Bailey. 



a, inflorescence, X 1 ;■ b, scale, 

 X 6; c, perigynium, X 6. 



20. C. nervina Bailey. (Fig. 12). Cespitose 

 from somewhat elongated stout rootstocks, the culms 

 5-6 dm. high, strongly aphyllopodic, thick, little 

 roughened above, about equaling the leaves; well 

 developed leaves on the lower fourth of stem, 3.5-5 

 mm. wide; opaque part of sheaths olive-tinged, be- 

 coming cross-rugulose, rounded at the mouth; spikes 

 in a dense ovoid or oblong head, 15-24 mm. long, 

 about 1 cm. wide, the larger with about 6-12 ascending 

 perigynia, the staminate flowers rarely conspicuous; 

 scales ovate, brownish with green center and hyaline 

 margins; perigynia ovate-lanceolate, 4 mm. long, 1.5- 

 1.75 mm. wide, rounded, short-stipitate and spongy at 

 base, strongly many nerved on both faces, sharp- 

 angled above, tapering into a smooth bidentate beak 

 1 mm. long, the teeth erect. 



Type Locality: Summit Camp, California 

 (Kellogg). 



High mountains from Wyoming to Washington 

 and California, where known from the mountains of 

 Siskiyou Co. and south in the Sierra Nevada to Tulare 

 Co. 



Locs.: Summit Camp, Kellogg; Emigrant Gap, M. E. 

 Jones 3533; Upper San Joaquin, Madera Co., Congdon; Alta 

 Meadows, Geo. B. Grant; Lake Tenaya, Congdon; above Yosemite, 

 Congdon; Yosemite, Hall & Babcock 3456; Brian's Meadow and 

 Strawberry Creek, El Dorado Co., Brainerd; Kaweah River, 

 Dudley 1414; Cone Peak, Dudley; Mineral King, Coville & Funston 

 1428; Craggy Peak, Siskiyou Co., Dudley; Giant Forest, Dudley 

 299S. 

 Refs.: Carex nervina Bailey, Bot. Gaz. 10: 203, pi. 3, f. 6-8 (1885), not Parish, Bull. S. 

 Cal. Acad. 5: 26 (1906); Kuk., in Engler, Pflzr. 420; 167 (1909). 



21. C. stipata Muhl. (Fig. 13). Cespitose, 

 the rootstocks short, stout, the culms 3-10 dm. 

 high, rather weak, sharply triangular, strongly ser- 

 rulate above, mostly exceeding leaves; leaf -blades 

 4-8 mm. wide, flat, flaccid, the sheaths strongly 

 septate dorsally, the opaque part thin, quickly 

 broken, cross-rugulose, prolonged above base of 

 blade; head 3-10 cm. long, yellowish-brown, the 

 lower spikes often separate; scales ovate-triangular, 

 light-brownish, with light midvein and hyaline mar- 

 gins, about length of body of perigynium ; perigynia 

 lanceolate, strongly nerved, yellowish green or at 

 length brownish, 4-5 mm. long, 1.5 mm. wide, 

 round-cordate, spongy and stipitate at base, strong- 

 ly nerved dorsally, less strongly ventrally, narrowly 

 margined ventrally, tapering into a serrulate bi- 

 dentate beak longer than or nearly equaling the 

 body. 



Type Locality : Pennsylvania, probably near 

 Lancaster (Muhlenberg). 



Swamps and wet meadows from Newfound- 

 land to Florida, west to Utah, British Columbia, 

 and northern California as far south as Sonoma and 

 Sierra Cos. 



Fig. 13. Carex stipata Muhl. 

 o, inflorescence, X 1; 6, scale, X 6; 

 c, perigynium, 



X 6. 



