46 



THE GENUS CAREX IN CALIFORNIA 



Locs.: Yosemite, Brewer 1641, Bolander 4962, 6222; Soda Spgs. of San Joaquin, Congdon: 

 Truckee River, Nevada Co., Davy; Butte Mt., Hall 9792; Yosemite, Congdon; Nevada Falls, Bioletti; 

 Lake Tenaya, Hall & Babcock 3639; Sonora Pass, A. L. Grant 266, 277a; Cow Creek, Tuolumne Co., 

 Jepson 6515; Kennedys Lake, A. L. Grant 478; Kaweah River, Tulare Co., Dudley 1920; Chagoopa 

 Creek, Tulare Co., Dudley 2281; Hoekett Meadow, Tulare Co., Dudley 1901; Cone Peak Camp, Tulare 

 Co., Dudley; Lake Tahoe, Kellogg; Summit Camp, Kellogg; Hat Creek, Shasta Co., Eggleston 7880; 

 Clark's Ranch, Torrey 551 (in part); Little Lake, Slippery Ford, El Dorado Co., Brainerd 205 (in 

 part); Strawberry Creek, El Dorado Co., Brainerd 226 (in part); Tuolumne Meadows, Jepson 4476; 

 Johnson Lake, Crescent Lake and Bridal Veil Trail, Mariposa Co., Congdon; North Fork, Griffiths 

 4570; San Antonio Mt., Hall 2416, C. M. Wilder; Grayback Mt., C. M. Wilder; San Gorgonio Mt., 

 Hall 7635; Squaw Valley, Placer Co., L. S. Smith 558 (in part), 564; Alta Meadow, Tulare Co., Geo. 

 B. Grant. 



Refs.: Carex mariposana Bailev, Bull. Torr. Club 43: 619 (1917). "C. Preslii Steud." 

 Parish, Bull. S. Cal. Acad. 5: 52 (1906). "C. adusta Boott," W. Boott in S. Wats. Bot. Cal. 2: 238 

 (1880), in small part. 



48. C. integra Mackenzie. (Fig. 20). Very densely cespitose, the culms 

 1.5-3.5 dm. high, slender but erect, smooth; leaf-blades 1-2 mm. wide; head 1-2 

 cm. long, the spikes 4-8, densely aggregated, obovoid or oblong-obovoid, 4-8 mm. 



long, 3.5-5 mm. wide, the 10-20 perigynia ap- 

 pressed or appressed-ascending; scales ovate, acute 

 or short cuspidate, dark chestnut with prominent 

 midvein and in age hyaline margins; perigynia 

 2.25-2.75 mm. long, 0.75-1 mm. wide, plano-con- 

 vex, thickish, nerveless or nearly so ventrally, 

 narrowly margined to the round-tapering base, 

 more or less contracted into the slender beak Yi 

 length of body or more. 



Type Locality: Summit, Placer Co., Cali- 

 fornia (Heller 9841). 



Sierra Nevada from Tulare Co. to Siskiyou 

 Co., extending north in the Cascade Mts. of 

 Oregon. 



Locs.: Yosemite, Abrams 4399; upper Kings River, Fresno Co., Dudley; Squaw Valley, Placer 

 Co., L. S. Smith 556 (in part), 558; Slippery Ford, El Dorado Co., Brainerd 216, 205 (in part); Sum- 

 mit, Placer Co., Heller 9841; Hat Creek, Shasta Co., Eggleston 7380, 7430; Mt. Shasta, H. E. Brown 

 357; Olancha Mt., Tulare Co., Hall & Babcock 5249; North Fork, Griffiths 4561; Mt. Eddy, Siskiyou 

 Co., Eggleston 11655; Stanislaus Forest, Alpine Co., Eggleston 9497. 



Ref.: Carex Integra Mackenzie, Bull. Torr. Club 43: 608 (1917). 



49. C. teneraeformis Mackenzie. Cespitose, the culms 3-4.5 dm. high, very 

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

 long, the spikes 5-8, readily distinguishable and more or less separate, 3.5-6 mm. 

 long, 3.5-4.5 mm. wide, the 6-12 perigynia loosely appressed; scales ovate, acute, 

 light brown with lighter midvein and inconspicuous hyaline margins; perigynia 

 3.25 mm. long, 1.25 mm. wide, plano-convex, thickish, winged to the rounded base, 

 serrulate above, nerveless or nearly so ventrally, tapering into the slender beak 

 1 mm. long. 



Type Locality: Jonesville, Butte Co., California (Hall 9781). 

 Sierra Nevada from Butte Co. to Tulare Co.; also on Mt. Sanhedrin, Lake 

 Co., and in the Southern California mountains. 



Locs.: Yosemite, Bolander 6217; Gold Lake, Sierra Co., Hall & Babcock 4497; Relief Dam 

 Mt., Tuolumne Co., A. L. Grant 370; Strawberry, Tuolumne Co., Jepson 6505; Calaveras Big Trees, 

 Hillebrand 2305 (in part), A. L. Grant 4c; Strawberry Creek, El Dorado Co., Brainerd 185, 186; Mrs. 

 Watson's, El Dorado Co., Brainerd 184; Jonesville, Butte Co., Hall 9781; Eagle Peak, Yosemite, 

 Jepson 4374; Nevada Falls, Yosemite, Bioletti; Ontario Peak, Johnston 1503; Yosemite, Abrams 4401; 

 Mt. Sanhedrin, Lake Co., Heller 5959; Kaweah River, Dudley 1410, 1411, 1423; upper Kern River, 

 Dudley 864; Hoekett Meadow, Dudley 1900; Sequoia Grove, Calaveras Co., Dudley; San Antonio 

 Mts., Swan <fc Chase, Johnston 1393, 1399, 1503; Hunters Meadow, Fresno Co., Dudley 3261. 



Ref.: Carex tener.bformis Mackenzie, Bull. Torr. Club 43: 609 (1917). 



Fig. 20. Carex Integra Mackenzie. 



a, inflorescence, X 1; b, scale, X 7; 

 c, perigyniurn, X 7. 



