26 



THE GENUS CAREX IN CALIFORNIA 



Locs.: San Jacinto Mts., Hall 2064; San Antonio Mts., Abrams 2679, Hall 1455, Johnston 

 1362; Bear Valley, Parish 1611 (in part), Abrams 2918; San Bernardino, Parish 1058 (in part), 4651; 

 Acton, Hasse; Mt. Pinos, Hall 6375, 6377 (in part); Santa Ana, Orange Co., Geis 502, 503, 504, 505, 

 506, 567; Los Angeles Co., Hasse 4085, 4634, Abrams 1227, 201, 1447, 3239, Geo. B. Grant 6265; Orcutt, 

 Orcutt 2219; Pasadena, McClatchie 903; San Diego Co., Hasse; Pacific Grove, Heller 6634; Sacramento, 

 Bolander 4502, 4503; Auburn, Bolander 4549, 4550; Purdy, Sierra Co., Heller & Kennedy 8668; Tropico, 

 Abrams 1439; Santa Clara Valley, Peckham; San Buenaventura, Peckham; Gazelle, Siskivou Co., 

 Heller 8072; Mill Creek, Mt. Lassen, Hall & Babcock 4308 (in part); Fort Tejon, Davy 2364; Leonis 

 Valley, Davy 2618; Echo, El Dorado Co., Brainerd; Hepsedam Peak, San Benito Co., Dudley; May- 

 field and Palo Alto, Santa Clara Co., Dudley; Woodside, San Mateo Co., Dudley; Sierra Valley, Lem- 

 mon; Mt. Pinos, Dudley & Lamb 4453; Grant Park, Dudley 1223; Homer's Nose, Dudley 1853; Oak 

 Knoll, Los Angeles Co., Braunton 800; Coffee Creek, Goldsmith 17; Silver Lake, M. E. Jones 197; 

 San Francisco, M. E. Jones 3268; Lone Pine, Inyo Co., Coville & Funston 2164; Lower Sacramento, 

 Wilkes 1262; White Mts., Mono Co., Shockley 632; Owens Valley, Horn; Asilomar, Monterey Co., 

 Parish 11565; San Pedro, Wood 262; Santa Barbara, Bingham 491; "California," Hartweg 203; Ontario, 

 San Bernardino Co., Johnston 1257; Pomona, Johnston 1272; Upland, San Bernardino Co., Johnston 

 1436; Hueneme, Davy 5d; Tallac, El Dorado Co., Dudley; Pasadena, Grant 3425; Sycamore Slough, 

 Colusa Co., R. S. Ferris 625, 718; Giant Forest, Dudley 2987; Panamint Valley, Parish 10127; Victor- 

 ville, Mojave Desert, Johnston; Hanaupah Canon, Panamint Mts., Jepson 7097. 



Refs.: Carex pr.egracilis W. Boott, Bot. Gaz. 9: 87 (1884); Parish, Bull. S. Cal. Acad. 

 5: 48 (1906). C. marcida Boott in Hook. Fl. Bor. Am. 2: 212, pi. 213 (1840), type from Columbia 

 River (not J. F. Gmel. 1791) ; W. Boott in S. Wats. Bot. Cal. 2: 231 (1880) ; Parish, Bull. S. Cal. Acad. 

 5: 23 (1906); Kiik. in Engler, Pflzr. 420 : 123 (1909). C. Douglasii Boott var. brunnea Olney, Bot. 

 King, 5: 363 (1871), type from California, Coulter 805. C. marcida Boott var. debilis Bailev, Proc. Am. 

 Acad. 22: 136 (1886), type from Harney Valley, Oregon. C. usta Bailey, Mem. Torr. Club 1: 20 (1889), 

 based on C. Douglasii var brunnea. C. marcida Boott var. alterna Bailey in Macoun, Catal. Canad. 

 pi. 5: 374 (1890), type from Shuswap Lake, British Columbia. C. alterna C. B. Clarke, Kew Bull. 

 Misc. Inf. Add. Ser. 8: 69 (1908), based on C. marcida var alterna. C. camporum Mackenzie, Bull. 

 Torr. Club 37: 244 (1910), based on C. marcida Boott. "C. Hookeriana Dewey," Parish, Bull. S. Cal. 



Acad. 5: 26 (1906). "C. siccata Dewey," Parish, I.e. 50. 



C. Gayana Desv. var. hyalina Bailev, Proc. Amer. Acad. 22: 



135 (1886), type from Sonora, Mexico, Thurber 652. C. 



latebrosa Mackenzie, Bull. Torr. Club 34: 603 (1908), based on 



C. Gayana var. hyalina. 



VI. Muhlenbergiaisle Tuckerm. Densely cespi- 

 tose or in a few species the rootstocks elongate, 

 tough and dark-colored. Culms not flattened. 

 Opaque part of leaf-sheaths neither trans- 

 versely rugulose nor red-dotted. Spikes usually 

 10 or less, androgynous, or pistillate but never 

 gynsecandrous, rarely at all compound. Bracts 

 from little to strongly developed. Perigynia 

 plano-convex, green or chestnut-tinged or 

 light-brownish in age, from appressed to re- 

 flexed, often strongly spongy at base, nerveless 

 or sparingly nerved, narrowly sharp-margined, 

 conspicuously beaked, the beak sharply biden- 

 tate. Achenes lenticular. Style jointed with 

 achene, deciduous, its base more or less thick- 

 ened. Stigmas 2. 



10. C. Hoodii Boott. (Fig. 6.) Densely 

 cespitose, the rootstock woody, the culms 3-6 dm. 

 high, slender but rather stiff, rough above, brownish 

 at base; leaf -blades 1.5-3.5 mm. wide, flat, the 

 sheaths thin at mouth, not prolonged beyond 

 base of blade; head orbicular or oblong-ovoid, 1- 

 2 cm. long, 8-15 mm. wide, the spikes several, with 

 5-10 ascending perigynia; scales ovate, sharp- 

 pointed, chestnut brown with lighter keel and 

 broad hyaline margins; perigynia lance-ovate, 4-5 



Fig. 6. Carex Hoodii Boott. 



a, inflorescence, X 1; 6, scale, X 7; 

 c, perigynium, X 7. 



