Carex. CYPERACE^. 229 



cuspidate or subfoliaceons : perigynium nieinl)ranous, lanceolate or spindle-sliapeJ, 

 gradually attenuate to an acute obliquely cut subentire liyaliuc-niargiued oriHce, 

 compressed triangular or biconvex, nerveless or rarely 2 - 3-nerved on the outer 

 side at base, long-stipitate, shining, reflexed at maturity, rather longer than the 

 scale : style enlarged at base ; stigmas rarely 2 : nutlet oblong, lenticular or un- 

 equally 3-sided, stipitate. — Meyer, Cyp. Nov. 212, t. 7 ; Keichenb. Icon. Fl. Germ, 

 vifi, t. 198; Boott, 111. Car. iv. 148, t. 475, 47G. 



On Mount Shasta, at 8,400 feet altitude (Brewer, n. 1379) ; in the mountains from Colorado 

 and Northern Utah to Alaska, as also in Asia, Europe and New Zealand. 



2. C. filifolia, Nutt. Cespitose : stems 6 to 10 inches high, obtusely angled, 

 leafy at base and there enclosed with bundles of sterile leaves in long chestnut- 

 colored sheaths that break up into reticulate fibres : leaves rigid, filiform, involute, 

 at first equalling and finally shorter than the stem : spikes narrowly oblong, fer- 

 ruginous fading to chestnut, naked: perigynium triangular-obovoid, pale below, 

 fer'i-uginous and sparsely hairy above, nerveless or obscurely nerved at base, rostel- 

 late, with entire white-hyaline orifice, nearly equalling the suborbicular clasping hya- 

 line-margined scale : stigmas elongated : nutlet triangular-obovoid, tipped with the 

 enlarged base of the style, chestnut-coloretl, longer tiiaii the linear white-tipped 

 racheola. — Boott, 1. c, i. 13, t. 37. 



In the Sierra Nevada, at Soda Springs on the Tuolumne River, at 8,700 feet altitude, and in 

 the Mono and Ebbett Passes, at 11,000 feet {Urcwer, n. 1697, 1733, 2029), in the Calaveras 

 Grove (Bolandcr, n. 2318) and in Sierra County (Lcmmon) ; also on the dry plains and moun- 

 tains from Colorado to the Saskatchewan and Upper Columbia. 



3. C. Breweri, Boott. Eootstock creeping, stoloniferous : stem 5 to 18 inches 

 high, obtusely angled, smooth, leafy at base : leaves rigid, filiform, the cauline 

 shorter than the stem : spike of a dark fulvous or chestnut color, oval or ovate, 6 to 

 12 lines long by 6 lines thick, naked; male flowers few: perigynium oval, much 

 inflated and very thin, delicately nerved, with a very short obliquely cut entire beak, 

 whitish at the orifice, longer and broader than the lanceolate obtuse hyaline-margined 

 scale : nutlet oblong-obovoid, triangular, shorter than the filiform racheola. — 111. 

 Car. iv. 142, t. 455. 



In the Sierra Nevada, in dry soil, from Mount Shasta, at 9,000 feet altitude (Brcivcr, n. 1391, 

 1392 ; Hooker & Gray), and Lassen's Peak at 10,000 feet (Brewer, n. 2176), to Mount Dana and 

 Mount Brewer (Brewer, n. 1863, 2839); Oregon, Hall, n. 570. 



C. POLYTRICHOIDES, Muhl, growing on the Pocky Mountains and from Cumberland House to 

 Florida, will probably be found in California. Stem filiform, 12 to 18 inches high : spike green, 

 oblong-linear, few-flowered : perigynium oblong, compressed-triangular, obtuse with entire orifice, 

 appressed, striate-nerved, much longer than the white ovate acute or cuspidate scale : nutlet tri- 

 angular, oblong-obovoid : stigmas 3 or 2. 



* ^A Bracts and lower scales green and leaf-like. 



4. C. Geyeri, Boott. Eootstock creeping : stem slender, stifl", | to 2 feet high, 

 leafy at base : leaves rigid, | to 1 line broad, carinate, scabrous on the margin and 

 keel : spikes pale green, linear, 10 to 15 lines long, the male portion 5 to 10 lines 

 long ; female flowers 1 to 6, alternate, appressed to the rhachis ; scales whitish be- 

 coming ferruginous, green in the middle, ciliate, in the male flowers oblong and 

 obtuse, the female clasping and cuspidate, the lower foliaceous and equalling the 

 stem: perigynium triangular-ellipsoidal, tapering to the base, with a very short en- 

 tire beak and hyaline ciliate orifice, membranous, smooth, 1-nerved on the middle 

 of two sides, shorter than the scale : style enlarged at base, deciduous : nutlet 

 conformed to and closely invested by the perigynium, chestnut-colored. — Linn. 

 Trans, xx. 118, and 111. Car. i. 42, t. 105 ; Kunze, Car. 186, t. 47. 



In the Coast Ranges between Santa Rosa and Ukiah (Bolandcr, n. 3906), an<l frequent in the 

 Sierra Nevada from the Yosemite Valley (Torreij, n. 544) to Plumas County (Mrs. Ames) ; also 

 in the Rocky Mountains from Colorado to Northern \Aa\\o {Geyer), axvi in the Wahsatch near 

 Salt Lake City. 



