34 



THE GENUS CAREX IN CALIFORNIA 



Locs.: Weaverville, Trinity Co., Yates 295; Rush Creek, Trinity Co., Yates 432; Sierra Valley, 

 Sierra Co., Lemmon 479; Sisson, Dudley, Jepson 56a, Goldsmith 12; Oro Fino, Butler 805; American 

 Valley, R. M. Austin 1066; Santa Rosa, Sonoma Co., Heller; Quincy, Jepson 4148. 



Refs.: Carex stipata Muhl. Willd. Sp. PI. 4: 233 (1805); Kuk., in Engler, Pflzr. 420 : 172 

 (1909). 



X. Stellulat^e Kunth. Densely cespitose. Culms triangular. Sheaths not red- 

 dotted or cross-rugulose. Spikes 2 to 10, or by reduction 1, gynaecandrous, 

 pistillate or in a few species staminate, not compound. Bracts inconspicuous. 

 Perigynia plano-convex, yellow-brown or brown, spreading or reflexed at 

 maturity, 2.5-4.5 mm. long, the body orbicular, ovate or broadly oval, strongly 

 spongy at base, sharp-edged nearly if not entirely to the rounded or truncate 

 base, not puncticulate, nerved on the outer, nerved or nerveless on the inner 

 surface, the beak bidentate or obliquely cut. Achenes lenticular. Style slender, 

 jointed with achene, deciduous. Stigmas 2. 



22. C. laeviculmis Meinsh. (Fig. 14). Cespitose from slender shortly 

 elongate rootstocks, the culms 3-7 dm. high, weak, light brownish at base, roughened 

 above; leaf-blades 1.5-2 mm. wide, light green, flat, soft; spikes 3-8, widely separate 

 or upper approximate, suborbicular, 3-10 mm. long, 3- 

 6 mm. wide, with 3-10 appressed or at length spreading 

 perigynia, the beaks spreading; uppermost spikes long 

 clavate at base; lowest bract more or less developed; 

 scales ovate, hyaline, with conspicuous green midvein, 

 about length of body of perigynium; perigynia green or 

 brownish-green, oblong-ovoid, piano- or concave-convex, 

 2.5-4 mm. long, 1.5 mm. wide, thin-walled, few-nerved 

 dorsally, lightly nerved ventrally, rounded and sub- 

 stipitate at base, tapering into a sparingly subserrulate 

 beak 34- X A length of body, the apex obliquely cut 

 dorsally, entire or bidentulate. 



Type Locality: " Kamtschatka, Insel Sitcha." 

 Wet shaded places, Alaska to California and east- 

 ward to Idaho; also in eastern Siberia. In California it 

 is found in the mountains of northern California and 

 south in the Sierra Nevada to El Dorado Co. 



Locs.: Strawberry Creek, El Dorado Co., Brainerd 170; 

 Slippery Ford, El Dorado Co., Brainerd 168; Stirling, Butte Co., 

 Heller 10819; Bald Mt., Humboldt Co., Tracy 4524. 



Reps.: Carex l^viculmis Meinsh. Bot. Centralb. 55: 195 

 (1893); Kuk., in Engler, Pflzr. 420 : 232 (1909). C. Bolanderi Olney 

 var. sparsiflora Olney, Proc. Am. Acad. 8: 407 (1872), type from 

 Oregon, Hall 580. C. Deweyana Schw. var. sparsiflora Bailey, Bot. 

 Gaz. 13: 87 (1888). 



Fig. 14. Carex l^viculmis 



Meinsh. 



a, inflorescence, X 1; b, 



scale, X 6; c, perigynium, X6. 



23. C. interior Bailey. Densely cespitose, the 

 culms 2-3.5 dm. high, slender and wiry, somewhat 

 roughened beneath head; leaf-blades 1-2 mm. wide, flat or somewhat canaliculate; 

 head 1-2 cm. long, the 3-4 spikes approximate, the lateral pistillate, suborbicular, 

 4 mm. long, with 3-10 widely spreading perigynia, the upper long-tapering and 

 staminate at base; bracts little developed; scales 3^ length of the perigynia, ovate- 

 orbicular, very obtuse, brownish, hyaline-margined all around, the center lighter- 

 colored, the midvein not sharply denned and not reaching the tip; perigynia ovoid, 

 straw-color or light-brownish, plump, 2.5 mm. long, 1.5 mm. wide, rounded and 

 spongy at base, very narrowly sharp-margined, nerved dorsally, nerveless or ob- 

 scurely nerved at base ventrally, sparingly serrulate on the upper margins, abruptly 

 beaked, the beak }i length of body or less, its teeth very short, the ventral suture 

 inconspicuous, the dorsal better developed. 



