238 CYPERACEAE 



111. C. nudata W. Boott. Culms slender, 3 to S dm. high, sharply tri- 

 angular, stronglj" dark purplisli at base ; leaf-blades light green, flat with revolute 

 margins, 2.5 to 3.5 mm. wide, smooth except toward apes, the basal sheaths 

 rounded and hispiduloiis dorsally; staminate spike short-peduneled, 1.5 to 3 cm. 

 long ; lateral spikes 3 to 5, sessile or short-peduneled, 1 to 4 cm. long, 6 to 7 mm. 

 wide; bracts con.spicuously hi-auriculate ; scales ovate, or oblong-ovate, obtuse or 

 acutish, blackish with lighter midvein; perigyuia lanceolate or ovate, compressed 

 biconvex, 3 to 4 mm. long, finely 6 to B-nei-ved ou both faces, membranaceous, 

 greenish straw-color or purplish-black tinged, smooth or slightly granular at 

 apex, the upper portion empty, the beak 0.25 mm. long, entire. 



Rocky beds of streams, 10 to 2000 ft. : Coast Eanges from Santa Clara Co. 

 to Siskiyou Co. ; Sierra Nevada from Calaveras Co. to Shasta Co. North to 

 western Oregon. 



Loes. — Coast Eauges: Loma Prieta. Davy 572; Oakland Slough, Bolandcr 6202; Marin Co., 

 Bolander 2299; Russian River, Sonoma Co., Bolandcr 388fi; High Vallev Creek, Lake Co., 

 Bowman 111; Ukiah. BnJandcr 3836; Alder Point, Hunibolrit Co., Tracy'l885; Castle Rock, 

 Sacramento River, Goldsmith 3. Sierra Nevada: Calaveras Big Trees, Dudley; Clinton, 

 Amador Co., Hansen 1658; Stirling, Butte Co., HcU-er 10818; Burney Falls, Shasta Co., 

 D^ld!ey. 



Refs. — Carex kddata W. Boott in Bot. Cal. 2:241 (1880), based on spms. from the Coast 

 Ranges between San Francisco Bav and Ukiah, BoUnder 2299, 3836, 4638, 6202. "C. decldua" 

 Boott in Pae. R. Rep. 4:153 (1857). C. angustata W. Boott, l.e. 242 in part, not F. Boott. 



112. C. eurycarpa Holm. Culms 4 to 9 dm. high, sharply triangular, 

 roughened above ; leaf -blades 3 to 4.5 mm. wide, the lower sheatlis minutely 

 hispidulous and rounded dorsally; staminate spike peduneled, 3 to 4 cm. long; 

 lateral spikes 3 to 5, 2 to 4 cm. long ; scales lanceolate, short-acuminate, purplish- 

 brown with prominent light midvein; perigynia appressed, 2.75 mm. long, 

 several-nerved on both faces, minutely roughened, greenish or straw-color, the 

 beak 0.5 nun. long, emarginate. 



Boggy meadows, Sierra Nevada from Mariposa Co. to Siskij^ou Co. North 

 to Washington. 



Locs. — Devils Lake. Mariposa Co., Congdon; Tallac, Braincrd 46; Squaw Valley, Placer 

 Co., h. S. Smith 559; Prattville, HeJkr # Kcnne^ 8784; Sisson. L. E. Smith 691. 



Ref. — Carex kurvcarpa Holm, Am. Jour. Sci. ser. 4, 20:303 (1905), tvpe loc. Falcon 

 Valley, w. Klickitat Co., Wash., Svlsdorf 1284, 2962. 



113. C. oxycarpa Holm. Culms 4.5 to 9 dm. high, sharply triangular, 

 slightly roughened above ; leaf-blades 2 to 4 mm. wide, the lower sheaths his- 

 pidulous dorsally ; terminal spike staminate, peduneled : lateral spikes 4 or 5, 

 the upper 1 or 2 staminate, the lower 2 to 4 pistillate or androgynous, sessile or 

 short-peduneled, 2.5 to 4.5 cm. long, 5 mm. wide; scales lanceolate, acute, 

 purplish-black with light midvein ; perigynia 3.5 mm. long, 3 to 5-striate on both 

 faces, granular roughened, brownish, abruptly minutely apiculate, the orifice 

 entire. 



Wet meadows, northern Sierra Nevada from Butte Co. to Si.skiyou Co. North 

 to Washington and Idaho. 



Locs. — Jonesvillc, Butte Co., Hall 9783; Morgan, Tehama Co., Hall ()'■ Bahcock 4347; 

 Sisson, Braincrd. 



Ref. — C^VKEX OXYCARPA Holm. Am. Jour. Sci. ser. 4, 20:303 (1905), type loc. w. Klickitat 

 Co., Wash., Snlsdorf 816. . 



Sect. 29. Cryptocarpae Tuckerm. Stoloniferous. Culms aphyUopodic or pliyllopodic. Ter- 

 minal 1 to o spikes staminate, linear, the others pistillate, linear or oblong, closely many- 

 flowered, the lower or all peduneled and erect or very often pendulous. Bracts sheathless, 

 the upper at least biauriculate at base. Scales 3-neiTed, usually cuspidate or aristate, but 

 in some species obtuse. Perigynia coriaceous or memljrauaceous, piano- or bi-eouvex or 

 turgid, elliptic to obovate, puneticulate, margined, abruptly minutely beaked or beakless, 

 the orifice entire or nearly so. Achenes lenticular, apiculate, constricted in the middle. 

 Stigmas 2. 



