THE GENUS CAREX IN CALIFORNIA 



87 



Loc: Inglenook swamp, Mendocino Co., Congdon. 



Reps.: Carex viridula Michx. Fl. Bor. Am. 2: 170 

 (1803). "C. Oederi Retz." Schw. & Torr. Ann. Lye. N. Y. 1: 

 334 (1825). C. Urbanii Boeckl. Bot. Jahrb. 7: 280 (1886), 

 type from southeastern Alaska, Krause. C. flava L. var. 

 recterostrata Bailey, Bot. Gaz. 13: 84 (1888), type from 

 Vancouver Island, Macoun. C. flava L. var. viridula Bailey, 

 Mem. Torr. Club 1: 31 (1889). C. Oederi Retz. var. viridula 

 Kiik. and f. recterostrata Kiik. in Engler, Pflzr. 4 20 : 674 

 (1909). 



XXXIII. Physocarp.^; Drejer. Culms mostly 

 tall and stout, leafy below. Leaves septate- 

 nodulose, not hairy. Spikes 2-10, the upper 

 1-5 staminate, the others normally pistillate, 

 subglobose to linear-cylindric, generally close- 

 ly many-flowered, erect, short - peduncled, 

 more or less remote. Bracts leaflike, much 

 exceeding the inflorescence, normally sheath- 

 less. Perigynia ascending, spreading or even 

 reflexed, membranaceous, smooth, from little 

 to much inflated, suborbicular in cross-section, 

 coarsely many ribbed or nerveless, contracted 

 into a beak, the beak entire to bidentate. 

 Achenes much shorter than the perigynia, 

 triangular or lenticular, continuous with the 

 usually tortuous style. Stigmas 3 or 2. 



119. C. vesicaria L. (Fig. 48). Rootstocks 

 short, creeping and stoloniferous, the culms 3-9 dm. 

 high, acutely angled and rough above, slender to 

 stout, aphyllopodic and purplish tinged at base; 

 leaf -blades 3-6 mm. wide, the sheaths sparingly 

 nodulose dorsally, and usually somewhat breaking 

 and filamentose ventrally; staminate spikes 2-4, 

 linear, 2-4 cm. long, 2.5-4 mm. wide; pistillate 

 spikes 1-3, sessile or %hort-peduncled, erect, oblong- 

 cylindric, 2.5-7 cm. long, 6-15 mm. wide, more or 

 less strongly separate, many-flowered; lower bracts 

 exceeding culms; scales ovate or lanceolate, acute, 

 acuminate or short-awned, Yi to % length of 

 perigynia; perigynia 5-8 mm. long, ascending, 

 ovoid, round in cross-section, yellowish-green or 

 darker tinged, 8-10 nerved, the beak smooth, 2 

 mm. long, the teeth erect, 0.5-0.7 mm. long. 



Type Locality: "Habitat in Europse udis 

 sylvaticis." 



Wet meadows and swamps, Quebec to 

 British Columbia, south to Pennsylvania, Ohio 

 and California. In California it extends south in 

 the Coast Ranges to Marin Co. and in the Sierra 

 Nevada to Tulare Co. Very variable. 



Locs.: Yosemite, Brewer 16.54, Abrams 4576, Cong- 

 don, Hitchcock, Bolander 6200 (in part) ; Spragues River, e. of 

 Klamath Valley, Hillebrand: Summit Camp, Sierra Nevada, 

 Kellogg; Lake Tenaya Trail, Lake Tenaya and Chilnualna 

 Trail, Mariposa Co., Congdon; Donner Lake, Heller 6988; 

 Sebastopol, Sonoma Co., Heller 5798; Prattville, Plumas 

 Co., Heller & Kennedy 8818; Lake Mary, Mono Co., Cong- 

 don; Sequoia National Park, Davidson 2129; Hetch Hetchy, 

 Mariposa Co., Bioletti; Egg Lake, Modoc Co., Baker; 

 Tomales Bay, Marin Co., Bolander 2303; Ostrander's, Sierra 

 Nevada, Bolander 6211; Johnson Lake, Congdon; Sierra 

 Valley, Sierra Co., Lemmon; Benwood Meadow, El Dorado 

 Co., Heller 12262; Kern Lakes, Tulare Co., Dudley 2045; 



/ 



Fig. 48. Carex vesicaria L. 



a, inflorescence, X i ls; b, scale, X 7; 

 c, perigynium, X 7. 



