THE GENUS CAREX IN CALIFORNIA 



63 



perigynia broadly obovoid, 4-4.5 mm. long, 2.75 mm. wide, softly short pubescent, 

 light green, membranaceous, sharply triangular, several-nerved, short tapering at 

 base, very abruptly beaked, the beak 0.3 mm. long, bidentate. 



Type Locality: California, probably near Santa 

 Barbara (Nuttall). 



Dry hillsides below 2000 feet altitude in south- fl 



western California from Santa Barbara Co. south and 

 extending into the northern part of Lower California; 

 erroneously recorded from Lassen Co. 



Locs.: "California," Nuttall; San Diego, Parry; San Ber- 

 nardino, Parish 4150, 1054, 4696; Arroyo Seeo Canon and Glen- 

 dora, Los Angeles Co., Geo. B. Grant 139; Calban, San Bernardino 

 Co., Parish; San Bernardino Valley, Parish 6250; Matilija Canon, 

 Peckham; Santa Monica Mts., Hasse, Abrams 1280; Ojai Valley, 

 Elmer 3955, Fares, Hubby; Point Loma, San Diego Co., Orcutt 

 1075, Eastwood 2544, Brandegee, Chandler 5078; San Diego Co., 

 Geo. B. Grant 3807, Cooper 1593, Pringle 487, Cleveland & Greene; 

 Mt. Wilson, Los Angeles Co., Davidson; Avalon, Santa Catalina 

 IsL, Trask; Los Angeles, Hasse; Ramona, Brandegee; Santa Inez 

 Mts., Brandegee; Pasadena, McClatchie; San Antonio Mts., 

 Johnston 1917. 



Refs.: Carbx triquetra Boott, Trans. Linn. Soc. 20: 

 126 (1S46); W. Boott in S. Wats. Bot. Cal. 2: 247 (1880); Parish, 

 Bull. S. Cal. Acad. 4: 112 (1905); Kuk., in Engler, Pflzr. 42 : 489 

 (1909). C. monticola Dewey, Bot. Mex. Bound. 229 (1858), type 

 from San Diego, California, Parry. 



XXIV. Debiles Carey. Culms aphyllopodic, strongly 

 purplish tinged at base, tufted, slender, leafy. 

 Leaf-blades flat. Terminal spike normally stami- 

 nate. Lateral spikes 2-5, elongate, narrowly 

 linear, slender-peduncled, the lower often drooping. 

 Bracts green sheathing, the blades leaflike. Peri- 

 gynia appressed or ascending, lanceolate to ovoid, 

 membranaceous, obsoletely nerved, rather closely 

 enveloping the achene, tapering to a well- 

 developed conic beak, obliquely cut at orifice and 

 strongly hyaline-tipped, at length bidentate. 

 Achenes triangular, apiculate, jointed with slender 

 deciduous style. Stigmas 3. 



81. C. mendocinensis Olney. (Fig. 33). Cespi- 

 tose from elongated root-stocks, the culms slender, 

 3-8 dm. high, much exceeding leaves, reddish-purple 

 at base; leaves sparsely pubescent, the culm blades 

 1.75-3 mm. wide, 5-12 cm. long, those of the 

 sterile shoots 1.5-3.5 dm. long and somewhat 

 wider; terminal spike staminate or with a few 

 perigynia, 2-3.5 cm. long; pistillate spikes 2 or 3, 

 slender, erect, linear, 1.5-4 cm. long, 3.5-5 mm. wide, 

 closely flowered above, more loosely toward base, the 

 20-40 perigynia appressed-ascending ; lowest bract 

 about equaling culm; scales ovate, obtuse or short 

 cuspidate, cinnamon-brown with broad hyaline mar- 

 gins; perigynia 3.5-5 mm. long, 1.5 mm. wide, oblong- 

 obovoid, somewhat flattened, triangular, membrana- 

 ceous, lightly nerved, minutely puberulent, somewhat 

 tapering at base, abruptly beaked, the beak 0.5 mm. 

 long, bidentate. 



Fig. 33. Carex mendocin- 

 ensis Olney. 



a, inflorescence, X i n; b, scale, 

 X 5; c, perigynium, -X 5. 



