SOUTHERN CALIFORNIA ACADEMY OF SCIENCES 729 
Grayback Mt., on High Creek, 9,500 ft. alt., July 24, 1904; 
6405 Geo. B. Grant. The species is northern, and has been 
collected on Mt. Hood, Oregon, Stein’s Pass, Wash., and in 
this state on the head waters of the Sacramento river. The 
present station is the southern limit. 
v7, Carex quadrifida ceca, Bailey, Bot. Gaz. 21:». 
Culms slender, smooth, 3-5 dm. tall; leaves fat, 2-3 mm. 
wide, shorter than the culms; bracts aristate, seldom equalling 
the inflorescence; spikes 3-6, contiguous and sessile, or the 
lowest remote and pedunculate 1-2 em. long, the uppermost 
usually androgenous, the others pistillate throughout; scales 
mostly shorter than the perigynia, lanceolate, acute or obtuse; 
perigynia purplish, obovoid, obscurely nerved, 2.5-3 mm. long, 
the bidentate beak purple; stigmas 3; achenes_ c-ivaceuus, 
ovoid, muriculate, narrowed at base, 1.5 mm. long. 
San Jacinto Mts. Tahquitz Valley, 8,000 ft. alt., July, 1892, 
(type), and Round Valley, 9,500 ft. alt., June 1903; Dr. H. H. 
Hasse. Also in the same mountains by Davidson. Grayback 
Mét. on Vivian Creek, 7,500 ft. alt., 1904, Geo. B. Grant. In 
other varieties the species is common at high altitudes in the 
central Sierra Nevada. 
‘ 8. Carex laciniata, Boott, Til, 4:175, +.594. W. Boott in 
Wats. Bot. Cal. 2243, Bailey, Proce. Am. Acad. 22:83. 
Stoloniferous; culms stout, acutely angled, scabrid, 3-10 am. 
tall; leaves glaucous, stiff, carmate, equalling the culms; lowest 
bract equalling or exceeding the inflorescence; staminate spike 
3-5 em. long, usually with 1-2 short, sessile spikes at or near 
the base; pistillate spikes 3-4, sessile, or the lowest on a long 
pedunele, 3-10 em. long; seales hardly equalling the perigynia, 
brown, narrow, the apex acute or prolonged, acicular-toothed ; 
perigynia ferrugineous, orbieular to obovoid, nerved on the 
outer face, the beak, and usually the upper margin, acicular- 
toothed, contracted at base, 3 mm. long; achenes palid, orbic- 
wlar, obtuse, papillose. 
Canyons of the foothills, in the Cismontane region, below 
2,000 ft. alt., San Antonio River; 529 Brewer. Glendale; Hasse, 
Pasadena; 799 Braunton. Waterman Canyon, near San Ber- 
nardino; 2185 Parish. North te Southern Oregon. 
The basal sheaths are deseribed as fibrilluse-margined, but 
the character docs not appear in any of the numerous speci- 
mens examined. 
Plate XX, Fig. 1. 
v9. Carex Nebraskensis previa, Bailey, Mem. Torr. Ciub, 
1:49. C. Jamesii, Torr. Monog. Cyp. 398. W. Boott in Wats. 
Bot. Cal. 2:243, in part. 
Stoloniferous: culms erect, rough on the acute edges, 3-5 
