#28 SOUTHERN CALIFORNIA ACADEMY OF SCIENCES 
perigynia ovoid, acute at base, the body 2 mm. long, gradually 
narrowed into a beak 1 mm. long, the teeth short and erect; 
achenes pale brown, granulate-roughened. 
On a dry slope, Strawberry Valley, 6,000 ft. alt., San Jacinto 
Mts.; Parish. San Jacinto Mts.; Davidson. Reported other- 
wise only from the high mountains of Mariposa Co., where 
it was collected long ago by Bolander and Brewer, and in 
recent years by Congdon; but probably occurring at inter- 
mediate points. 
§. Carex spissa, Bailey. Proc. Am. Acad. 22:70, 
Culms stout, 10-15 dm. tall, sharply anglea, smvuoth; leaves 
earinate, 1-2 cm. wide, scabrid on the margms aud on the 
prominent ribs, about equalling the culms; lowest bract leafy, 
very long, the uppermost short and aristate froin a searious 
margined base; staminate spikes slender, 5-10 en. 10ong; pis- 
tillate spikes, 3-6, densely flowered, evenly cylindrical, sub- 
squarrose, the lowest 10-15 em. long, remote, sometimes on a 
pedunele up to 25 em. long, the uppermost sessile, or nearly 
so, 3-6 em. long; scales exceeding the perigynia, narrow, purple 
margined, prolonged in a slender toothed tip, perigynia min- 
utely purple-dotted, obovoid, attenuate to the base, subcom- 
pressed, plano-convex in section, the body 3 mm. long, the 
teeth less than 1 mm.; achenes brown minutely papillose, oblong- 
obovoid, 3-angled, stipitate and mucronulate, not filling the 
perigynia. 
Growing in robust clumps on the banks of streams in the 
Coastal subregion below 500 ft. alt. Glendale; Hasse. Los 
Angeles; Davidson. Pasadena; Grant. San Juan Capistrano; 
Nevin. San Luis Rey; Poway; Parish. Ramona; Lakeside; 
Brandegee. Adjacent Lower California. Santa Maria; 
Brandegee. Guadalupe Canyon; Orcutt. The type was col- 
lected at San Diego, by Pringle. 
6. Carex ablata, Bailey, Bot. Gaz. 13:82. OC. frigida of 
American authors, not Allioni, Fl. Ped. 2 :270. 
Ceespitose; culms slender, scarcely angled, striate, smooth, 
about 1 dm. tall; basal leaves 2-3 mm. wide, long pointed, 5-10 
em. long; culm leaves 1-2, narrow, sheathing at base, 2-3 em. 
long; lower bracts similar, uppermost scarious; staminate spike 
siender, 8-10 mm. long, usually with a small pedunculate basat 
spike, both of them pistillate at base; pistillate spikes 1-3, on 
included peduneles, the lowest distant, ovoid-oblong, 5-10 mm, 
long; scales ovate, ciliate above and mucronulate, 2 mm. long; 
perigynia divergent, very dark brown, obovoid to obovoid- 
ellipsoidal, acute on the edges, 3 mm. long; stigmas 3; achenes 
ash-colored, obovoid, 3-angled, muriculate, shortly stipitate 
and prominently beaked, filling the perigynium. 
