48 THE GENUS CAREX IN CALIFORNIA 



Type Locality: Oakland (Bolander). 



Coast Ranges from Santa Barbara Co. to Humboldt Co. 



Locs.: Russian River, Sonoma Co., Bolander 3868 (in part); Mendocino City, Bolander 4771; 

 Crystal Spgs. Lake, San Mateo Co., Elmer 4429; Barrack and Lake Merced, San Francisco Co., Dudley; 

 Coal Mine Ridge, Cahill Ridge and Crystal Spgs., San Mateo Co., Dudley; Lake San Andreas, San 

 Mateo Co, Davy 763; Peters Creek, Santa Cruz Co., Dudley: Sherwood Valley, Mendocino Co., 

 Dudley; Oakland, Bolander 6200 (in part), 6203, Abrams 6448; Humboldt Bay, Hall & Chandler 1115; 

 Comptche, Mendocino Co., McMurphy 431, Kellogg & Harford 1065; Monterey, Parry; Santa Cruz, 

 Wood; San Francisco, Jones; Santa Barbara, Elmer 3756; Laguna, Schoenefeldt 3591; Fort Point, San 

 Francisco, Bolander 1568 (in part); Lake San Andreas, San Mateo Co., Bioletti3\ Eel River, Humboldt 

 Co., Tracy 4695. 



Ref.: Carex sub-bracteata Mackenzie, Bull. Torr. Club 43: 612 (1917). 



53. C. gracilior Mackenzie. Cespitose from slender short creeping black 

 fibrillose rootstocks; culms 1-6 dm. high, slender, smooth or nearly so on the angles; 

 leaves on lower third of culm, but not bunched, the blades 1-2 mm. wide, 0.5-2 dm. 

 long; head 12-20 mm. long, narrow or oblong, the spikes 3-6, aggregated or lower 

 1-2 more or less separate, suborbicular, 5-8 mm. long, 4-6 mm. wide, the 4-12 peri- 

 gynia ascending or spreading-ascending with conspicuous beaks; scales ovate, obtuse 

 or acutish, chestnut-brown with lighter midvein and narrow hyaline margins; 

 perigynia narrowly ovate, 3.5-4.5 mm. long, 1.5 mm. wide, thick, plano-convex, 

 several nerved dorsally, nerveless or nearly so ventrally, round tapering at base, 

 narrowly winged (serrulate above) from base, contracted into a beak }4 length of body. 



Type Locality: Cloverdale, Sonoma Co., California (Bolander 3822). 

 Coast Ranges from San Mateo Co. to Mendocino Co. 



Locs.: Petaluma, Bolander 4635; Mark West Creek, Sonoma Co., Bolander 3814; Bigelow 

 19; Berkeley, Harriet Walker 18; Cloverdale, Sonoma Co., Bolander 3822, 3822a; Mendocino Co.. 

 Bolander 4635; Seal Cove, San Mateo Co., Dudley; Sonoma, R. Kuhn, Bolander, Keller in 1S72; Rus- 

 sian River, Sonoma Co., Bolander 3867, 3868 (in part); Santa Rosa, Wooton. 



Reps.: Carex gracilior Mackenzie, Bull. Torr. Club 43: 614 (1917). "Carex propinqua 

 Nees & Meyen" Boott, Pac. R. Rep. 4: 154 (1857); erroneously given as Boott in 111. Car. in Bot. 

 Cal. 2: 234 (1880). " C. festiva Dewey var. gracilis Olney" W. Boott in S. Wats. Bot. Cal. 2: 234 

 (18S0), in part. 



54. C. pachycarpa Mackenzie. Culms 3-6 dm. high, obtusely triangular, 

 smooth; leaf-blades 2.5-4 mm. wide; head 1.5-2.5 cm. long, globose or short ovoid, 

 the spikes 5-8, closely aggregated, ovoid, 6-10 mm. long, 6-9 mm. wide, the 10-20 

 perigynia appressed; scales ovate, acute, light reddish-brown with sharply defined 

 midvein and hyaline margins; perigynia ovate, plano-convex, thick, 5 mm. long, 

 2 mm. wide, many striate dorsally, faintly many striate ventrally, round tapering 

 at base, narrowly margined (serrulate above) from base, the beak Y<z length of body. 



Type Locality: Big Tree Road, Silver Valley, California (Brewer 1977). 

 Mountains of Oregon and northern California, extending south in the Sierra 

 Nevada to Tulare Co. 



Locs.: Silver Valley, Brewer 1977; Lassen Peak, Brewer 2178; Big Trees, Hillebrand 2310, 

 2316; Summit Camp, Sierra Nevada, Kellogg; trail to Snowy Cascade, Brainerd; Mt. Lyell, McLean; 

 Mt. Goddard, Hall & Chandler 693; n. e. Modoc Co., Manning 952 (in part); Alta Meadows, Tulare 

 Co., Geo. B. Grant; Kennedys Lake, A. L. Grant 549; Mt. Shasta, Brewer 1375, 139S, Canby 313; Echo 

 Lake, Brainerd 197; Meisners Lake, Brainerd 198; Dinsmores Ranch, Humboldt Co., Tracy 4145; Pratt- 

 ville, M. E. Jones; Truckee, Hitchcock 326; Bear Creek, Tulare Co., Dudley 2923. 



Refs.: Carex pachycarpa Mackenzie, Bull. Torr. Club 43: 616 (1917). C. adusta Boott 

 var. congesta W. Boott in S. Wats. Bot. Cal. 2: 238 (1880), type Brewer 1977 from Silver Valley. C. 

 Liddoni Boott var. incerta Bailey, Bot. Gaz. 13: 88 (1888), same type, i. e., Brewer 1977. 



55. C. paucifructus Mackenzie. Densely cespitose, the culms 1-2.5 dm. 

 high, erect, stiff, smooth, sharply triangular; leaves bunched above the base, the 

 blades 1.5-3 mm. wide, 3-7 cm. long; head 1-2 cm. long, ovoid or oblong, the spikes 

 4-8, aggregated, ovoid, tapering at base, 6-9 mm. long, 4.5 mm. wide, the perigynia 

 6-12, appressed or appressed-ascending; scales ovate, chestnut with lighter midvein 

 and conspicuous hyaline margins; perigynia ovate, thick, strongly plano-convex, 

 4 mm. long, 1.5 mm. wide, nerveless ventrally, finely many-nerved dorsally, mar- 

 gined to the round tapering base, serrulate above, tapering into the beak \i length 

 of body. 



