SEDGE FAiMILY 



327 



116. Carex spissa Bailey. 

 San Diego Sedge. Fig. 792. 



Carer hispida W. Boott Bot. Gaz. 9: 89. 1884; not Willci. 

 Carex spissa Bailey, Proc. Am. Acad. 22: 70. 1886. 



Rootstocks stout, woody, the culms very stout, 10-18 

 dm. high, obtusely triangular, smooth. Leaves clustered 

 above base, the blades glaucous-green, 7-14 mm. wide, 

 flat with revolute strongly serrulate margins, the sheaths 

 brownish tinged and strongly filamentose ventrally ; stami- 

 nate spikes 3-6, 4-10 cm. long; pistillate spikes 3-6, stami- 

 nate at apex, approximate or the lower more or less 

 separate, erect, sessile, or nearly so. linear-cylindric, 6-14 

 cm. long, 7-10 mm. wide, the 150-300 perigynia appressed- 

 ascending or at length spreading; lower bracts leafy, ex- 

 ceeding inflorescence, the lowest short-sheathing; scales 

 exceedmg perigynia, narrowly ovate, serrulate-awned, light 

 brownish with green center and hyaline margins ; perigynia 

 obovoid, flattened-triangular, 3-4.5 mm. long, light green, 

 very obscurely nerved, membranaceous, glabrous, tapering 

 at "base, very abruptly beaked, the heak_ 0.5 mm. ' long, 

 emarginate ; achenes triangular, oblong-elliptic, short stipi- 

 tate ; style slender ; stigmas 3. 



Banks of streams at low altitudes. Upper and I.ower Sonoran 

 Zones; Los Angeles County, California, southward into Lower Cali- 

 fornia and eastward to southern Arizona. Type locality: San Diego 

 County, California. 



117. Carex amplifolia Buott. 

 Ample-leaved Sedge. Fig. 793. 



Carex amplifolia' Boott in Hook. Fl. Bor. Am. 2: 228. pi. 226. 1840. 



Stoloniferous, with stout stolons, the culiiis 5-10 dm. high, 

 sharplv triangular, rough above, phyllopodic. Sheaths his- 

 pidulous, purplish-brown tinged; leaf-blades glaucous-green^ 

 sub-flaccid, 8-18 mm. wide; terminal spike stammate, 4-/ 

 cm. long, 3-5 mm. wide; pistillate spikes four or five, the 

 upper approximate, the lower more or less strongly separate, 

 short-peduncled or nearly sessile, linear-cylindnc, densely 

 flowered, 3.5-8 cm. long, 6-7 mm. wide, with very many spread- 

 ing perigvnia; lower bracts leafy, the lowest short sheathmg; 

 scales exceeded by perigynia, oblong-ovate, acute to mucro- 

 nate; perigynia 3 mm. long, obovoid, inflated triangular, 

 brownish green, glabrous, nerveless except for keels, abruptly 

 long-beaked, the beak often excurved, and with oblique hyalme 

 orifice; achenes triangular, short stipitate; style slender 

 jointed with achene ; stigmas 3, short. 



Wet soil Transition Zone; Idaho to British Columbia and south to 

 San Mateo and Tulare Counties, California. Type locality: Columbia 

 River. 



118. Carex limosa L. 



Shore Sedge. Fig. 794. 



Carex limosa L. Sp. PI. 977. 1753. 



Stronglv long stoloniferous, the culms rising obliquely, slender 

 few, 2-4.5' dm. high, sharply triangular, rough above, the basal 

 sheaths sparingly filamentose. Leaves glaucous, shorter than the 

 culm, the blades channelled, 3 mm. wide; terminal spike stammate, 

 long-stalked; lateral spikes 1-3, pistillate, filiform stalked and 

 drooping or the upper nearly erect, oblong, 10-26 mm. long, 5-8 

 mm. thick, closelv 8-30-flowered ; bracts leafy, very short sheathing, 

 the auricles brownish ; scales persistent, ovate, acute or short cuspi- 

 date, slightly shorter than perigynia, copper colored with 1-3 nerved 

 green keel : perigvnia glaucous-green, broadly ovate, appressed, 

 coriaceous. 2.5-4 mm. long, 2 mm. wide, compressed triangular. 

 denselv puncticulate, glabrous, many nerved, rounded and stipitate 

 at bas"e, contracted into a very short beak, the orifice entire or 

 emarginate ; achenes triangular ; style slender ; stigmas 3. 



In sjihagnum bogs, Canadian Zone; Newfoundland to Alaska, south to Xew 

 Jersey, lo'wa, Montana, and southern Oregon; widely distributed in northern 

 Eurasia. Type locality: Europe. 



