SEDGE FAMILY 239 



114. C. lyngbyei Hornem. Culms 3 to 9 dm. high; leaf -blades flat, 2 to 

 12 mm. wide ; uppermost spike staminate, long-peduncled ; lateral spikes 2 to 6, 

 the upper 1 or 2 often staminate or androgynous, the lower pistillate, drooping, 

 linear or oblong, 2 to "8 cm. long; perigynia oblong-oval, bi-convex, 2.5 to 3 mm. 

 long, very minutely beaked. 



Humboldt Co. coast (Humboldt Bay, Tracy 3149). North to the Aleutian 

 Isls. Widely distributed in Arctic regions. 



Eef. GAREX LYNGBYEI Hornem. Fl. Dan. pi. 1888 (1827), type from Faroe Isls., Eur. 



115. C. obnupta Bailey. (Fig. 35a-c.) Culms 5 to 15 dm. high; leaf-blades 

 5 to 8 mm. wide, thick; staminate spikes 2 or 3, pistillate spikes 2 to 4, oblong 

 to linear-cylindric, 3 to 10 cm. long, strongly peduncled; scales narrowly ovate, 

 blackish, sharp-pointed, concealing perigynia ; perigynia coriaceous, 3 to 3.5 mm. 

 long, abruptly minutely beaked, the beak entire. 



Coastal counties from Monterey Co. to Del Norte Co. and local in the Sacra- 

 mento Valley. North to British Columbia. 



Locs. Santa Lucia Mts., Plaslcett 42; Santa Cruz, Dudley; Berkeley, Davy; Abbotts 

 Lagoon, Pt. Reyes, Jepson 1170; Sebastopol, Congdon; Sycamore Slough, Colusa Co., Ferris 

 607; Mendoeino, Pringle ; Humboldt Bay, Tracy 2459; Crescent City, Dudley. 



Eef s. CAREX OBNUPTA Bailey, Proc. Cal. Acad. ser. 2, 3:104 (1891), type loc. San Mateo 

 Co., Kellogg; Mackenzie, Erythea 8:81, fig. 43 (1922). C. aquatilis W. Boott in Bot. Cal. 

 2:241 (1880), not Wahl. C. sitchensis Boott in Hook. Fl. Bor. Am. 2:220, pi. 221 (1840), 

 not Prescott. C. schottii Kiik. in Engler, Pflzr. 4 20 :365 (1909), not Dew. 



Sect. 30. Trachychlaenae Drejer. Phyllopodic. Culms very stout, leafy below, the lower 

 sheaths strongly filamentose ventrally. Spikes numerous, the upper 3 to 6 staminate, 

 elongated, the lower 3 to 6 pistillate (or staminate at apex), linear-cylindrie. densely very 

 many-flowered, the lower at least long-peduncled. Lowest bract about equaling or exceed- 

 ing the inflorescence, short-sheathing. Pistillate scales mucronate or aristate. Perigynia 

 obovoid or oblong, glabrous, roughened or hispidulous, membranaeeous, slightly inflated, 

 apieulate-beaked, the orifice emarginate. Achene triangular, the sides flat or slightly con- 

 cave. Stigmas 3. 



116. C. spissa Bailey. (Fig. 35d-f.) Eootstocks stout, woody; culms 1 to 

 2 m. high, obtusely triangular, smooth ; leaf-blades glaucous-green, 7 to 14 mm. 

 wide, flat with revolute strongly serrulate margins, the sheaths brownish tinged ; 

 pistillate spikes separate, erect, sessile or nearly so, 6 to 14 cm. long, the peri- 

 gynia squamose at maturity ; scales narrowly ovate, serrulate-awned, light brown- 

 ish; perigynia 3 to 4.5 mm. long, becoming somewhat inflated, very abruptly 

 beaked, the beak 0.5 mm. long, the style very strongly bent and twisted ; achenes 

 elliptic-obovoid. 



Banks of streams at low altitudes from Los Angeles Co. to San Diego Co. 

 South to Lower California. 



Locs. Glendale, Hasse; Mt. Wilson, Davidson; Tecate River, Mearns 3787; Lakeside, 

 Brandegee. 



Refs. CAREX SPISSA Bailey, Proc. Am. Acad. 22:70 (1886), type loc. San Diego Co., 

 Pringle; Mackenzie, Erythea 8:83, fig. 44 (1922). 



Sect. 31. Hlrtae Tuckerm. Culms stout, leafy. Rootstocks with long stolons. Leaves septate- 

 nodulose. Spikes 3 to 10, the upper 1 to 5 staminate, slender, the others pistillate, many- 

 flowered, erect. Bracts leaflike, equaling or exceeding the culm, often sheathing. Pistillate 

 scales ovate or lanceolate, acute or aristate. Perigynia mostly ascending, coriaceous, ovoid 

 or oblong-ovoid, somewhat inflated, nearly orbicular in cross-section, many-nerved, often 

 hairy, round-tapering at base, tapering into the bidentate beak. Achenes triangular, often 

 stipitate, the sides flat or deeply concave, apiculate. Stigmas 3. 



117. C. yosemitana Bailey. (Fig. 36a-c.) Cespitose from stout rootstocks; 

 culms 3 to 9 dm. high; leaf -blades not rigid, 3 to 7 mm. wide; terminal spike 

 linear, 12 to 30 mm, long, more or less peduncled, occasionally with a few peri- 

 gynia ; pistillate spikes 3 or 4, more or less separate, sessile or nearly so, oblong- 

 cylindric, 1 to 4 cm. long, closely flowered, often staminate at apex; scales lance- 

 ovate, sharp-pointed, ciliate, chestnut-brown; perigynia 2.5 to 3.5 mm. long, 



