THE GENUS CAREX IN CALIFORNIA 



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87. C. amplifolia Boott. (Fig. 35). Stoloniferous, the stolons stout, the 

 culms 5-10 dm. high, sharply triangular, rough above, phyllopodic; sheaths hispidu- 

 lous, purplish-brown tinged; leaf-blades 8-18 mm. wide; terminal spike staminate, 

 4-7 cm. long, 3-5 mm. wide; pistillate spikes 4 or 5, the 

 upper approximate, the lower more or less strongly 

 separate, short peduncled or nearly sessile, linear- 

 cylindric, 3.5-8 cm. long, 6-7 mm. wide, with very many Q 

 closely-packed spreading perigynia; scales acute to 

 mucronate; perigynia 3 mm. long, obovoid, inflated tri- 

 angular, brownish green, glabrous, nerveless except for 

 keels, abruptly long beaked, the beak often excurved 

 and with oblique hyaline orifice. 



Type Locality: Columbia River (Douglas). 



Wet soil, British Columbia to California, east to 

 Idaho. Extends south in the Coast Ranges to San Mateo 

 Co. and in the Sierra Nevada to Tulare Co. 



Locs.: Big Trees, Mariposa Co., Bolander 5011, Congdon; 

 Dinkey Creek, Fresno Co., Hall & Chandler 369; Sissons, Brainerd 

 98, H. E. Brown 319 (in part); Howell Mt., Napa Co., Tracy 1606; 

 Shasta Retreat, Heller 7974, 7982; Sequoia Park, Davidson 2121; 

 Jonesville, Butte Co., Hall 9782; Bald Mt., Humboldt Co., Tracy 

 4530; Sierra Valley, Lemmon; Yosemite, Abrams 4423; Squealer 

 Gulch, San Mateo Co., Dudley; Mineral King, Dudley 1581; Kings 

 Mt., San Mateo Co., Abrams 5563; Kaweah River, Coville & Funston 

 1354; Eel River, Mendocino Co., Kellogg; Bear Valley, Bolander & 

 Keller; Peter Klink's Meadow, Siskiyou Co., Dudley; Harmon 

 Meadow, Tulare Co., Dudley 2821. 



Refs.: Carex amplifolia Boott in Hook. Fl. Bor. Am. 2: 

 228 pi. 226 (1840); W. Boott in S. Wats. Bot. Cal. 2: 248 (1880); 

 Kuk., in Engler, Pflzr. 420; 617 (1909). 



XXVII. Atratve Kunth. Culms aphyllopodic or phyl- 

 lopodic. Terminal spike gynaecandrous or staminate, 

 the lateral 1-10 pistillate or with a few staminate 

 flowers at base, from sessile, erect and closely 

 approximate to long-peduncled, nodding and dis- 

 tant. Bracts sheathless or nearly so, dark-colored 

 at the base, the blades short. Scales usually dark- 

 tinged. Perigynia membranaceous or more or less 

 coriaceous, straw-colored or greenish, often strongly 

 dark-tinged, elliptic to broadly obovate, circular in 

 cross-section to much flattened, papillose to punc- 

 ticulate, glabrous, abruptly short-beaked or beak- 

 less, the orifice entire or bidentate. Achenes tri- 

 angular, apiculate-tipped, the style straight, slender, 

 often exserted, articulated to the achene and in age 

 deciduous, its base not enlarged. Stigmas 3. 



88. C. spectabilis Dewey. Culms aphyllopodic, 

 sharply triangular, few-leaved, purplish tinged at base, 

 2.5-5 dm. high from densely matted tough fibrous root- 

 stocks; leaf -blades 2-3.5 mm. wide; terminal spike stam- 

 inate, its scales with conspicuous more or less excurrent 

 midvein; pistillate spikes 2-4, erect, oblong, 1-2 cm. 

 long, 3.5-5 mm. wide, closely 15-30-flowered, not ag- 

 gregated, the upper short peduncled, the lower long 

 peduncled; lowest bract about equaling inflorescence; 

 scales purplish-black with white often excurrent mid- 



Fio. 35. Carex ampli- 

 folia Boott. 

 a, inflorescence, X 2 li; b, 

 scale, X 5; c, perigynium, X5. 



