222 CYPERACEAE 



Loes. — Southern Califoruia: Mt. San Jacinto, Seed 2499; Mt. San Gorgonio, Geo. B. Grant 

 6403. Sien-a Nevada: Poison Mdw. near Big Arroyo, upper Kern River, Jepson 113]; Mt. 

 Dana, Bolander 50(i9; Strawberry, Tuolumne Co., A. L. Grant 109; Mt. Tallac, Abrams 4848; 

 Hot Springs Valley, Lassen Peak, Jepson 4101; Modoe Co., Manning 592 (in part). Hum- 

 boldt Co.: Samoa, TraCT/ 873. 



Refs. — Cares abrupta Mackenzie, Bull. Torr. Club 43:618 (1917), type loe. w. branch 

 North Fork Feather River near Stirling, Heller 10820; Erythea 8:45, fig. 19 (1922). C. ner- 

 vina Parish, BuU. S. Cal. Acad. 5:26 (1906), not Bailey. C. f estiva var. striata Parish, I.e. 

 53 in part, not Bailey. 



48. C. mariposana Bailey. Culms 2.5 to 6 dm. high ; leaf -blades 2 to 3 mm. 

 wide; head oblong or ovoid, 2 to 3.5 cm. long, the spikes 4 to 12, the upper 

 approximate, tlie lower 1 to 3 slightly separate, oblong-ovoid, 8 to 12 mm. long, 

 the perigynia closely appressed ; scales ovate, acute ; perigynia narrowly ovate, 



5 mm. long, green or in age straw-colored, tapering into a beak i/4 length of body. 



High montane : 5000 to 9000 ft. : Sierra Nevada from Shasta Co. to Tulare 

 Co. ; San Gabriel Mts. and Sail Bernardino Mts. 



Locs. — Sien-a Nevada: Hat Creek, Shasta Co., Eggleston 7880; Squaw Valley, Placer Co., 

 L. S. Smith 558 (in part) ; Cow Creek, Tuolumne Co., Jepson 6515; Yosemite, Bolander 4962, 

 6222; North Fork, Fresno Co., Griffiths: Hockett Mdw.. Tulare Co., Dudley 1901. Southern 

 California: Mt. San Antonio., Hall 2416; Mt. San Gorgonio, Hall 7635. 



Refs. — C.uiEX MARIPOSANA Bailey, Bull. Torr. Club 43:619 (1917), type loe. Tuolumne 

 Mdws., Jepson 4476. C. presUi Parish, Bull. S. Cal. Acad. 5:52 (1906), not Steud. C. adusta 

 W. Boott in Bot. Cal. 2:238 (1880) in small part, not Boott. 



49. C. Integra ^Mackenzie. Culms 1.5 to 3.5 dm. high, smooth ; leaf-blades 

 1 to 2 mm. wide ; head 1 to 2 em. long, the spikes 4 to 8, densely aggregated, 

 oblong-obovoid, 4 to 8 mm. long, the perigynia appressed-ascending ; scales ovate, 

 acute, dark eliestnut ; perigynia nerveless or nearly so ventrally, nan-owly mar- 

 gined, the beak !/> length of bodv or more. 



Montane. Sierra Nevada from Tulare Co. to Siskiyou Co., 4000 to 8000 ft. 

 North to Oregon. 



Locs. — Olanclia Mt., Hall <f- Babcoek 5249; upper Kings River, Dudley; Yosemite, Abrams 

 4399; Slipperv Ford, Eldorado Co., Brainerd 216; Squaw Valley, Placer Co., L. S. Smith 556 

 (in part); Hat Creek, Shasta Co., Eggleston 7380; Mt. Shasta, H. E. Brown 357. 



Refs. — C.AREX iNTEGR^v Mackenzie, Bull. Torr. Club 43:608 (1917), t-s-pe loe. Summit, Placer 

 Co., Heller 9841; Erythea 8:46, fig. 20 (1922). 



50. C. teneraeformis jMaekenzie. Culms 3 to 4.5 dm. high, very slender, 

 smooth or nearly so; leaf-blades averaging 1.5 mm. wide; head 1.5 to 2.5 cm. 

 long, the spikes 5 to 8, readily distiuguishable and more or less separate, 3.5 to 



6 mm. long, the perigynia looselj' appressed ; scales ovate, acute, light brown ; 

 perigynia plano-convex, thickish, nerveless or nearly so ventrally, tapering into 

 the slender beak 1 ram. long. 



Middle altitudes, 4000 to 8000 ft. : Sierra Nevada from Butte Co. to Tulare 

 Co. ; Lake Co. ; San Gabriel Mts. 



Locs. — Sierra Nevada: Jonesville, Butte Co., Hall 9781; Gold Lake, Sierra Co., Hall 4- 

 Babeoclv 4497; Calaveras Big Trees, A. L. Grant 4c; Strawberry, Tuolumne Co., Jepson 6505; 

 Eagle Peak. Yosemite, Jepson 4374; Hunters Mdw., Fresno Co., Dudley 3261; Kaweah River, 

 Dudley 1410; Mt. Sanhedrin, Heller 5959. Southern California: San Antonio Mts., Swan 4' 

 Chase; Ontario Peak, Johnston 1503. 



Ref. — Carex tekeraeformis Mackenzie, Bull. Torr. Club 43:609 (1917), tvpe loe. Jones- 

 ville, Butte Co., Hall 9781. 



51. C. amplectens Mackenzie. (Fig. 32d-f.) Culms stiff, 5 to 8 dm. high; 

 leaf -blades 2.5 to 4 mm. wide ; head 2.5 to 5 cm. long, the 6 to 12 spikes approxi- 

 mate, oblong-ovoid, 7 to 15 mm. long, the perigynia closely appressed ; scales 

 ovate, acute or short-cuspidate, greenish ; perigynia ovate, 3.5 to 4 mm. long, 

 light green, narrowly margined, several-nerv(^d on both faces, contracted into a 

 beak I/2 length of body or less. 



Sierra Nevada from Shasta Co. to Tulare Co., 4000 to 9000 ft. 



Locs. — Hat Creek, Shasta Co., Eggleston 7493; Yosemite, Jepson 4265a, 4388 (in part); 

 Soda Creek, Tulare Co., Dudley 1949. 



Refs. — Carex amplectens Mackenzie. Bull. Torr. Club 43; 611 (1917), type loe. Lover's 

 Leap, Eldorado Co., Brainerd 209; Er.rthea 8:47, fig. 21 (1922). 



