28 



THE GENUS CAREX IN CALIFORNIA 



VII. Multiflor,e Kunth. Densely cespitose. Culms sharply triangular. Opaque 

 part of sheaths usually transversely rugulose, red-dotted. Spikes numerous, 

 small, androgynous or pistillate, but never gyngecandrous, the lower more or 

 less compound. Bracts frequently conspicuous. Perigynia plano-convex, 

 yellowish or yellowish-brown, appressed-ascending or spreading, not thick- 

 walled, somewhat spongy at base, short-stipitate, sharp-margined, more or 

 less nerved, conspicuously rough-beaked, the beak bidentate. Achenes lenticular. 

 Style more or less enlarged at base, jointed to achene. Stigmas 2. 



12. C. stenoptera Mackenzie n. sp. Rootstocks short -creeping; culms 

 2.5-4 dm. high; leaf-blades 2-3 mm. wide, channeled, the sheaths tight, not cross- 

 rugulose, obscurely red-dotted; head decompound, 2.5-5 cm. long, 6-10 mm. wide, 

 with numerous spikes 5 mm. long, 4-6 mm. wide; bracts inconspicuous; scales 

 ovate-lanceolate obtusish to short-cuspidate, brownish with conspicuous hyaline 

 margins, exceeding perigynia; perigynia lanceolate-ovate, narrowly thin-winged to 

 base, stramineous, membranaceous, plano-convex, 3-3.5 mm. long, 1.5 mm. wide, 

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

 into a serrulate bidentate beak about half length of the body. 



Type Locality: Ice House Canon, San Antonio Mts. (Johnston) 1505. 



13. C. alma Bailey. (Fig. 8). Culms 3-12 

 dm. high, strict, sharply triangular, rough on angles; 

 leaves with blades 3-6 mm. wide, the sheaths very 

 thin at mouth, exceeding the base of the blade; 

 head 2.5-10 cm. long, decompound, the clusters 

 from closely aggregated to strongly separate, the 

 individual spikes hardly recognizable, the perigynia 

 few, spreading; lower few bracts short, with broad 

 dilated hyaline-margined base; scales ovate, short 

 pointed to obtusish, straw-colored or brownish; 

 perigynia 3.5 mm. long, 1.8 mm. wide, plano-convex, 

 smooth, shining, broadly ovate from a rounded base, 

 narrowly green-margined, serrulate from middle, 

 lightly few nerved on both sides, tapering into the 

 serrulate bidentate beak Yz length of body. 



Type Locality: San Bernardino Co., Cali- 

 fornia (Parry & Lemmon 396). 



Along streams in southern California from 

 Monterey and Tulare Counties southward, and 

 eastward to southern Nevada; reported from Ari- 

 zona. 



Locs.: San Bernardino Co., Parry & Lemmon 396; Mill 

 Creek Mts., Parish 1058 (in part), Robertson; Agua Caliente, 

 Parish 1572; San Bernardino Mts., Parish 3724, 1611 (in 

 part), 2223, Hasse; Whitewater Basin, San Bernardino Co., 

 C. M. Wilder; Palm Spgs., Parish 4144; Mt. San Gorgonio, 

 Geo. B. Grant 6399; Pasadena, McClatchie, Geo. B. Grant 

 138a, 6305; Acton, Hasse; Mt. Pinos, Ventura Co., Hall 6429, 

 6570; Topatopa Mts., Ventura Co., Abrams <fc McGregor 119; 

 Griffins, Ventura Co., Elmer 3949; Tassajara Hot Spgs., 

 Monterey Co., Dudley, Elmer 3137; San Antonio Mts., Abrams 

 2769; Mt. Wilson, Geo. B. Grant 6692 (in part); Mt. Pinos, 

 Kern Co., Dudley & Lamb 4631, Hall 6377 (in part); Nelsons 

 Fork, Tulare Co., Dudley 2663; Kern River, Dudley 817; 

 Nelsons Soda Spgs., Tulare Co., Dudley 877; Bisses Station, 

 Kern Co., Dudley 405; Altadena, McClatchie; San Antonio 

 Canon, Johnston 1411; San Antonio Mts., Johnston 1425; 

 El Monte, Los Angeles Co., Johnston 27e; Upper San Antonio 

 Canon, Johnston 1508; New York Mts., San Bernardino Co., 

 Parish 10225. 



Fig. 8. Carex alma Bailey. 



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

 c, perigynium, X 8. 



