216 CYPERACEAE 



triangular, light-brownish, about length of body of perigynium ; 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 southerly in the Sierra Nevada to Sierra Co. North to Alaska, east to 

 Newfoundland. 



Locs. North Coast Eanges: Santa Rosa, Heller; Weaverville, Totes 295; Sisson, Jepson 

 56a. Sierra Nevada: Sierra Valley, Lemmon 479; Quincy, Jepson 4148. 



Befs. CAREX STIPATA Muhl. Willd. Sp. PL 4:233 (1805), type from Penn., Muhleriberg ; 

 Kiik. in Engler, Pflzr. 4*>:172, fig. 27H-L (1909); Mackenzie, Erythea 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. Perigynia plano-convex, yelloAv- 

 brown or brown, spreading or reflexed at maturity, 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. Stigmas 2. 



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



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

 imate, suborbicular, 3 to 10 mm. 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 green 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 % length of body. 



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

 Co. to Butte Co. Northerly to Alaska and Idaho. 



Locs. Bald Mt., Humboldt Co., Tracy 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; 

 Kiik. in Engler, Pflzr. 4 W :232, fig. 37E-F (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 very short teeth. 



Boggy meadows, northern Sierra Nevada from Plumas Co. to Siskiyou Co. 

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



Loca. Prattville, Plumas Co., Jones; Mt. Shasta, A. Wood 999. 



Eef. CAREX INTERIOR Bailey, Bull. Torr. Club 20:426 (1893), type loc. Penn Yan, New 

 York, Sartwell. 



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

 stiff; leaf -blades slightly canaliculate, 1.5 to 2 mm. wide; head 2 to 6 cm. long; 

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

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

 more than y 2 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 Co. Also in Oregon. 



Locs. San Bernardino Mts., Parish 3274; Kaweah Eiver, Dudley 1448; Crescent Lake, 

 Mariposa Co., Congdon; Yosemite, Hall $ Babcock 3412; Calaveras Big Trees, Bolander $ 

 Hillebrand 2324; Mineral, Tehama Co., Eggleston 7209. 



Kefs. CAREX ORMANTHA Mackenzie, Erythea 8:35 (1922). C. echinata Murr. var. 

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

 Eldorado Co., Brainerd 160, excluding Conn, and K. I. spms. C. stellulata Good. var. orm-antlia 

 Fern. Ehod. 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; 



