216 CYPEKACEAE 



triangular, light-brownish, about leiigtli of body of perigyuiimi ; perigynia lanceo- 

 late, 4 to 5 mm. long, the serrulate beak longer than or nearly equaling the body. 



Swamps and wet meadows : Coast Ranges from Sonoma Co. to Siskiyou Co., 

 thence soutlierly in the Sierra Nevada to Sierra Co. North to Alaska, east to 

 Newfoundland. 



Loes. — North Coast Eanges: Santa Rosa, Hrllcr: Weaverville, Tates 295; Sisson, Jei)son 

 56a. Sierra Nevada: Sierra Valley, Lemmon 470; Quiney, Jepson 4148. 



Kefs. — Carex stip.\ta Mulil. Willd. Sp. PI. 4:233 (1805), tvpe from Perm., Muhlenberg ; 

 Kiik. in Engler, Pflzr. 4=°:172, fig. 27H-L (1909); Mackenzie, Eiythea 8:33, fig. 13 (1922). 



Sect. 10. Stellulatae 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. Perig>-nia plano-convex, yellow- 

 broirn or brown, spreading or refle.xcd at maturity, the body orbicular, ovate or broadly 

 oval, strongly spongy at base, sharp-edged nearly if not entii-ely to the rounded or truncate 

 base, not puncticulate, nerved on tlie outer, nerved or nei-veless on the inner surface, the 

 beak bidentate or obliquely cut. Achenes lenticular. Stigmas 2. 



23. C. laeviculmis ]\Ieinsh. Culms 3 to 7 dm. high, weak; leaf-blades 1 to 



2 mm. wide, liglit green, tlat, soft; spikes 3 to 8, widely separate or upper approx- 

 imate, suborbicular, 3 to 10 nmi. long, with 3 to 10 perigynia; uppermost spike 

 long-clavate at base ; scales ovate, about length of body of perigynium, with 

 conspicuous green midvein; perigynia gi-een or brownish-green, oblong-ovoid, 

 piano- or concave-convex, 2.5 to 4 mm. long, 1.5 mm. wide, thin-walled, lightly 

 nerved ventrally, the beak ig length of body. 



Wet shaded places : Humboldt Co. ; northern Sierra Nevada from Eldorado 

 Co. to Butte Co. Northerly to Ala.ska and Idaho. 



Loes.— Bald Mt., Humboldt Co., Tnici) 4524; Stirling, Butte Co., Heller 10819; Straw- 

 berry Creek, Eldorado Co., Brainerd 170. 



Eefs. — Carex laeviculmis Meinsh. Bot. Centralb. 55:195 (1893), type from Kamtschatka; 

 Kuk. in Engler, Pflzr. 4''':232, fig. 37E-r (1909); Mackenzie, Erythea 8:34, fig. 14 (1922). 



24. C. interior Bailey. Culms 1.5 to 5 dm. high, slender and wiry; leaf- 

 blades 1 to 3 mm. wide, flat or somewhat canaliculate ; head 1 to 2 cm. long, the 



3 or 4 spikes approximate, the lateral pistillate, suborbicular, 4 mm. long, with 

 3 to 10 widely spreading perigynia, the upper long-tapering and staminate at 

 base; scales ovate-orbicular, brownish, hyaline-margined all around, the center 

 lighter-colored, the midvein not sharply defined; perigynia oblong-ovoid, straw- 

 color or light-brownish, plump, 2.5 to 3 mm. long, sparingly .serrulate on the 

 upper margins, abruptly beaked, the beak with veiy shoit teeth. 



Boggy meadows, northern Sierra Nevada from Plumas Co. to Siskij'ou Co. 

 North to British Columbia, east to Newfoundland, and south to Mexico, 



Loea. — Prattville, Plumas Co., Junes; Mt. Shasta. A. Wood 999. 



Ref.—CAREX INTERIOR Bailey, Bull. Torr. CHub 20:426 (1893), typo loc. Penn Yan, New 

 York, Sartivell. 



25. C. ormantha Mackenzie. Culms 1.5 to 4 dm. high, slender but rather 

 stiff; leaf -blades slightly canaliculate, 1,5 to 2 nun. wide; head 2 to 6 cm, long; 

 spikes 3 or 4, the lateral suborbicular, 6 to 8 nun. wide, with 2 to 12 widely 

 radiating perigynia ; perigynia rounded at base, tapering into the bidentate beak 

 more than i/o length of body, the teeth short. 



Boggy places in the mountains, mostly 4000 to 6000 ft. : San Bernardino Mts. ; 

 Sierra Nevada from Tulare Co. to Tehama CJo. Also in Oregon. 



Loes. — San Bernardino Mts., Parish, 3274; Kaiveah River, Dudley 1448; Crescent Lake, 

 Mariposa Co., Congdon; Yosemite, Hall <|- Biihcorl- 3412; Calaveras Big Trees, Bolander tf- 

 Hillehrand 2324; Mineral, Tehama Co., Tigf/leston 7209. 



Eefs. — Carex oriiantha Mackenzie, Erythea 8:35 (1922). C. ecMnata Murr. var. 

 ormantha Fern. Proc. Am. Acad. 37:483, pi. 4, f, 89 (1902), type loe. Strawberry Creek, 

 Eldorado Co., Brainerd 160, excluding Conn, and R. I. spms. C. stellulata Good. var. ormantha 

 Fern. Rhod. 4:222 (1902). 



26. C. phyllomanica W. Boott. Culms 2.5 to 6 dm. high, smooth or nearly 

 so; leaf -blades flat, 1.75 to 2.75 mm. wide : head 1.5 to 3.5 cm. long: spikes 3 or 4, 

 the lateral suborbicular, 7 mm. wide with 8 to 15 widely spreading perigynia; 



