SEDGE FAMILY 227 



69. C. brevipes W. Boott. In dense clumps from stout matted rootstocks, 

 the culms from very short to 18 cm, high; leaf -blades 1.5 to 2.5 mm. wide; 

 staminate spike short-peduncled or sessile, 4 to 12 mm. long; pistillate spikes 

 3 to 5, usually 10 to 20-flowered, the upper 1 or 2 approximate, sessile to strongly 

 peduncled ; scales ovate ; perigynia with body little longer than wide. 



Montane, 4000 to 7000 ft. : Sierra Nevada from Placer Co. to Tulare Co. ; San 

 Gabriel Mts. North to "Washington. 



Locs. Summit, Placer Co., Heller 9853 ; Tuolumne Mdws., Ware 2721c ; Yosemite, Cong- 

 don; Grant Park, Dudley 1905; Kaweah Peaks, Dudley 2446; Cucamonga Peak, Johnston 1496. 



Eefs. CAREX BREVIPES W. Boott in Bot. Cal. 2:246 (1880), type loc. Lake Tahoe to Bear 

 Valley, Kellogg. C. globosa Boott var. brevipes W. Boott, I.e. 485. C. deflexa Hornem, var. 

 boottii Bailey, Mem. Torr. Club 1:43 (1889), same type. C. rossii Boott var. brevipes Kiik. 

 in Engler, Pflzr. 4 20 :452 (1909). 



70. C. rossii Boott. Densely cespitose; culms wiry, 5 to 25 cm. high; leaf- 

 blades 1 to 2.5 mm. wide; staminate spike usually conspicuous, 3 to 10 mm. long; 

 pistillate spikes globose to short-oblong, 3 to 5 mm. long, 2 to 12-flowered, the 

 upper contiguous ; scales ovate, sharp-pointed ; perigynia nearly globose in cross 

 section. 



Sierra Nevada from Mariposa Co. to Shasta Co., thence west to Humboldt Co. 

 North to Alaska, east to Michigan. The most widely distributed and abundant 

 species of the group in the western part of the United States, biit sparingly 

 collected with us. 



Locs. Sierra Nevada: Crescent Lake, Mariposa Co., Congdon; Tuolumne Soda Sprs., Cong- 

 don; Stanislaus Forest, Alpine Co., Eggleston 9324; Pyramid Peak, Hall $ Chandler 4749; 

 Hat Creek, Shasta Co., Eggleston 7382. Humboldt Co.: Eureka, Tracy, 2041. 



Refs. CAREX ROSSII Boott in Hook. Fl. Bor. Am. 2:222 (1840), type loc. nw. coast of 

 N. Am., Douglas; Kiik. in Engler, Pflzr. 4 2C :452, fig. 74E-H (1909). C. novac-angliae Schw. 

 var. rossii Bailey, Bot. Gaz. 10:207 (1885). 



71. C. brevicaulis Mackenzie. Stoloniferous, the culms 5 to 10 cm. high, 

 very rough; leaf -blades 1.5 to 3.5 mm. wide; staminate spike short-peduncled, 

 few-flowered, 6 to 9 mm. long; lateral spikes 2 to 4, 4 to 6 mm. long, the upper 

 1 or 2 sessile and approximate; scales ovate, acute to short-cuspidate; perigynia 

 about 4 mm. long, the body globose, 2.25 mm. wide, the beak 1 mm. long. 



Along the coast from Monterey Co. to Del Norte Co. North to British 

 Columbia. 



Loea. Monterey, Elmer 4531; Ben Lomond Mt., Santa Cruz Co., Dudley; Seal Cove, San 

 Mateo Co., Dudley; San Francisco, Kellogg; Crescent City, Davy $ Blasdale. 



Ref. CAREX BREVICAULIS Mackenzie, Bull. Torr. Club 40:547 (1913), type loc. Yaquina 

 Bay, Ore., Howell 2994. 



Sect. 19. Digitatae Fries. Culms slender, leafy at base. Leaf -blades narrow, the sheaths 

 usually strongly purplish. Terminal spike linear, staminate. Lateral spikes 1 to 5, 

 approximate or separate or sometimes basal, oblong to linear, 5- to 20-flowered in few 

 ranks, the peduncles included or exserted. Bracts sheathing, more or less strongly purplish- 

 tinged, subspathaeeous, the blade absent to rudimentary. Pistillate scales strongly purplish 

 or reddish-brown tinged. Perigynia membranaceous, appressed, oblong-obovoid, pubescent 

 to glabrate, triangular, long-tapering to the stipitate base, abruptly contracted into the 

 minute beak, the orifice entire or nearly so. Acheues triangular, closely enveloped. Stigmas 

 3, early deciduous. 



72. C. concinnoides Mackenzie. Strongly stoloniferous, the cubns 1.5 to 

 3.5 dm. high, smooth; leaf-blades light green, 2 to 4 mm. wide; staminate spike 

 nearly sessile, 8 to 22 mm. long; pistillate spikes 1 or 2, approximate, rather 

 closely 5 to 10-flowered, sessile or short-peduncled ; scales narrowly ovate, sharp- 

 pointed, ciliate ; perigynia 2.5 to 3 mm. long, loosely pubescent, the beak 0.5 mm. 

 long, wider and longer than the scales. 



Dry soil, Mendocino Co. North to British Columbia, east to Montana. 



Loe. Red Mt., nw. Mendocino Co., Bolander 6478 (in part). 



Refs. CAREX CONCINNOIDES Mackenzie, Bull. Torr. Club 33:440 (1906), type loc. Columbia 

 Falls, Mont., E. S. Williams; Erythea 8:56, fig. 27 (1922). C. ricJiardsonii W. Boott in Bot. 

 Cal. 2:246 (1880), not R. Br. 





