SEDGE FAMILY 239 



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

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

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

 linear or oblong, 2 to 8 em. long; perigj-nia oblong-oval, bi-eonvex, 2.5 to 3 mm. 

 long, veiy minutely beaked. 



Huml)oldt Co. coast (Humboldt Ba}% Tracy 3149). North to the Aleutian 

 Isls. Widel,y distributed in Arctic regions. 



Ref. — Carex ltngbvei Hornem. FI. 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 nun. wide, thick; staminate spikes 2 or 3, pistillate spikes 2 to 4, oblong 

 to linear-eylindric, 3 to 10 cm. long, strongly pedimcled ; scales narrowly ovate, 

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

 long, abiTiptlj' 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., FUislccU 42; Santa Cruz, Viidlcj/; Berkeley, Davy; Abbotts 

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

 007; Mendocino, Pringle ; Humboldt Bay, Tracil 245!); Crescent City, Dudley. 



Refs. — Carex obnitpta Bailey, Froc. Cal. Acad. ser. 2, 3:104 (1891), type loc. San Mateo 

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

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

 not Prescott. C. schotiii Kiik. in Engler, Pflzr. 4=°:36.5 (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 (i 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.sheathiug. P'istillate scales mueronate or aristat*?. Perigynia 

 obovoid or oblong, glabrous, roughened or liispidulous, membranaceous, slightly inflated, 

 apiculate-beaked, the orifice eniargiuate. Aehene triangular, the sides flat or slightly con- 

 cave. Stigmas 3. 



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

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

 widi', 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- 

 g.ynia scjuamose at maturity ; scales narrowly ovate, serrulate-awned, light brown- 

 ish ; perigjTiia 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 

 elliptie-obovoid. 



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

 South to Lower California. 



Locs. — Glendale, Basse; Mt. Wilson, Daxndson; Tccate River, Mearns 3787; Lakeside, 

 Brandcgee. 



Refs. — Carex spissa Bailey, Proc. Am. Acad. 22:70 (1886), type loc. San Diego Co., 

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



Sect. 31. Hirtae 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 bidentat« 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 peduneled, occasionally with a few peri- 

 gynia ; pi.stillate spikes 3 or 4, more or less separate, sessile or nearly so, oblong- 

 eylindric, 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 nun. long, 



