226 CYPERAOEAE 



Sect. 17. Scirpinae Tuikemi. Eootstoeks creeping. Culms leafy below. Leaf -blades narrow. 

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

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

 or flattened-triangular, membranaceous, 2-keeled, pube.-scent or puberulent, tapering at base, 

 constricted at apex into the sliort cylLndrie entire or bidentulate beak. Aehenes triangular 

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



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

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

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

 ering perigynia; perigynia nnmerons, black, 3 mm. long, oval, flatti.sh, rounded 

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



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



Loc. — Grizzly Hill, Leibcrg 5104. 



Eefs.— Carex gigas Mackenzie, Bull. Torr. Club 35:268 (1908), type loc. Siskiyou Co., 

 Priiig'ie. C. sciriwidca Michx. var. gigas Holm, Am. Jour. Sci. ser. 4, 18:20, f. 8 (1904), same 

 type. 



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

 Terminal spiko linear, normally staniinate. Lateral spikes 1 to 5, small, pistillate or some- 

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

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

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

 acute to cuspidate. Perigj-nia membranaceous, ascending, the body pubescent at least at 

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

 strongly stipitate at base, abruptly contracted into a. cylindi'ic emarginate to deeply biden- 

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

 short-apiculate. Stigmas normally 3, long. 



66. C. inops Bailey. (Pig. 32j-l.) Strongly stoloniferous, the culms 2 to 

 3.5 dm. high, roughened above, reddened and tilarillose 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-peduucled ; 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, nearl.y orbicular in cross-section, the beak 0.75 

 to 1.5 mm. long. 



Dry soil, Siskiyou Co. North to Washington. 



Loc. — PHgrim Creek, ne. of Mt. Siiast.a, Goldsmith 2. 



Eefs.— Carex inops Bailey, Proc. Am. Acad. 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 tj'pe. 



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 nun. long, with 4 to 10 ascending perigynia ; 

 lower bract shorter than to exceeding inflorescence ; perigj-nia 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 Diego, Bmndegee ; Santa Cruz Isl., Brandegee; Santa Barbara, Brewer 302; 

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

 Sonoma Co., Congdon 84. 



Eefs. — Carex globosa Boott, Proc. Linn. Soc. 1:259 (1845), type from Cal., Nuitall. 

 C. umbcll-ata Schk. var. globosa Kiik. in Engler, Pflzr. 4=°:453 (1909). 



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

 blades 1.5 to 3 umi. wide, much roughened ; pistillate spikes 4 to 6. 1 to 4-flo\vered ; 

 lower bract of non-liasal 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 

 soutliern Oregon. 



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

 Co., Goldsmith 10; Sisson, Broum 370. 



Eefs. — Carex brainerdu Mackenzie, Bull. Torr. Club 40:534 (1913), tvpe loc. Slippery 

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



