226 CYPEBACEAE 



Sect. 17. Scirpinae Tuckenn. Bootstocks creeping. Culms leafy below. Leaf -blades narrow. 

 Spikes usually 1, linear, staminate or pistillate, many-flowered, normally with an empty 

 scarcely sheathing squamiform bract a short distance below the spike. Perigynia triangular 

 or flattened-triangular, membranaeeous, 2-keeled, pubescent or puberulent, tapering at base, 

 constricted at apex into the short cylindric entire or bidentulat* beak. Aehenes triangular 

 with flat sides, sessile, apiculate. Stigmas 3, short. 



65. C. gigas Mackenzie. Rootstocks densely matted, culms 3 to 4.5 dm. 

 high ; leaves 5 to 10, the blades 2.5 mm. wide ; pistillate spike 1.5 to 2.5 cm. long, 

 often with a second smaller peduncled spike ; scales oblong-ovate, brownish, cov- 

 ering perigynia; perigynia numerous, black, 3 mm. long, oval, flattish, rounded 

 at apex, the beak 0.5 mm. long, bidentate. 



Siskiyou Co., 6800 to 8000 ft. ; not otherwise known. 



Loc. Grizzly Hill, Leiberg 5104. 



Befs. CAREX GIGAS Mackenzie, Bull. Torr. Club 35:268 (1908), type loc. Siskiyou Co., 

 Pringle. C. scirpoidea Michx. var. glgas Holm, Am. Jour. Sei. ser. 4, 18:20, f. 8 (1904), same 

 type. 



Sect. 18. Montanae Fries. Culms slender, leafy at base. Leaf -blades narrow, rough above. 

 Terminal spike linear, normally staminate. Lateral spikes 1 to 5, small, pistillate or some- 

 times androgynous, subglobose to oblong, closely few to many-flowered, approximate and 

 sessile or short-peduncled, or in some species basal and long-peduncled. Lowest bract 

 aquamiform or leaflet -like, sheathless or sub-sheathing. Scales often reddish-brown tinged, 

 acute to cuspidate. Perigynia membranaeeous, ascending, the body pubescent at least at 

 base of beak, obovoid to elliptic, triangular or round-triangular in cross-section, 2-keeled, 

 strongly stipitate at base, abruptly contracted into a cylindric emarginate to deeply biden- 

 tate hyaline-tipped beak. Aehenes normally triangular, the sides convex, closely enveloped, 

 short-apieulate. Stigmas normally 3, long. 



66. C. inops Bailey. (Fig. 32J-1.) Strongly stoloniferous, the culms 2 to 

 3.5 dm. high, roughened above, reddened and fibrillose at base; leaf-blades 1.5 

 to 2.5 mm. wide, very rough above; staminate spike 1.5 to 2.5 cm. long, sessile 

 or short-peduncled ; pistillate spikes 1 to 3, approximate or more or less separate, 

 sessile or short-peduncled, with 4 to 10 ascending perigynia ; scales ovate, sharp- 

 pointed ; perigynia 3.5 mm. long, nearly orbicular in cross-section, the beak 0.75 

 to 1.5 mm. long. 



Dry soil, J3iskiyou Co. North to Washington. 



Loc. Pilgrim Creek, ne. of Mt. Shasta, Goldsmith 2. 



Befs. CAREX INOPS Bailey, Proe. Am. Aead. 22:126 (1886), type loc. Mt. Hood, Ore., 

 Henderson; Mackenzie, Erythea 8:54, fig. 25 (1922). C. verecunda Holm, Am. Jour. Sci. 

 ser. 4, 16:461 (1903), same type. 



67. C. globosa Boott. Stoloniferous, the culms 1.5 to 3.5 dm. high, rough 

 above; leaf -blades 1.5 to 2.5 mm. wide; staminate spike short-peduncled, 1 to 

 2 cm. long ; pistillate spikes 5 to 10 mm. long, with 4 to 10 ascending perigynia ; 

 lower bract shorter than to exceeding inflorescence; perigynia 5 mm. long, the 

 beak 0.75 to 1.25 mm. long, strongly bidentate. 



Coastal counties from San Diego Co. to Sonoma Co. 



Locs. San I>iego, Brandegee; Santa Cruz IsL, Brandegee; Santa Barbara, Brewer 302; 

 Little Sur Biver, Davy 7317; Glenwood, Santa Cruz Co., Dudley; Mt. Diablo, Brewer 1150; 

 Sonoma Co., Cong don 84. 



Befs. CAREX GLOBOSA Boott, Proe. Linn. Soc. 1:259 (1845), type from Cal., Nuttall. 

 C. umbell-ata Sehk. var. globosa Kuk. in Engler, Pflzr. 4 20 :453 (1909). 



68. C. brainerdii Mackenzie. (Fig. 33a-c.) Culms up to 15 cm. high ; leaf- 

 blades 1.5 to 3 mm. wide, much roughened ; pistillate spikes 4 to 6, 1 to 4-flowered ; 

 lower bract of non-basal spikes exceeding inflorescence, chestnut-tinged, more or 

 less strongly sheathing ; perigynia 4.5 mm. long, the beak 1 mm. long. 



Sierra Nevada from Mariposa Co. to Siskiyou Co., 4000 to 5000 ft. Also in 

 southern Oregon. 



Locs. Yosemite, Bolander 6196; Lassen Peak, M. E. Jones; Bartles (20 miles n.), Siskiyou 

 Co., Goldsmith 10; Sisson, Brown 370. 



Befs. CAREX BRAINERDII Mackenzie, Bull. Torr. Club 40:534 (1913), type loc. Slippery 

 Ford, Eldorado Co., Brainerd 121; Erythea 8:54, fig. 26 (1922). 



