590 ONAORACEAE 



Locs. — Olancha, Inyo Co., T. Brandegee; Woodford, Alpine Co., Oitley 1135; Constantia, 

 Lassen Co., Kennedy; s'iskiyou Co., Butler 2000 (intermediate toward var. cognata). 



R^fs. — Oknothkra tiuchocalyx Nutt. ; T. & G. Fl. 1:494 (1840), type loc. "plains of the 

 Platte in the Rockv Mts.", Kuttall; Jcpson, Fl. W. Mid. Cal. 3.3G (1901), ed. 2, 282 (1911), Man. 

 681 (1925"). Ano'gra trichocalyx Small, Bull. Torr. Club 23:174 (1896). 0. deltoidcs Torr. & 

 Frem. ; Frem. Rep. 315 (1845), type coll. by Fremont, probably Mohave Desert. Anogra deltoides 

 Small, Bull. Torr. Club 23:174 (1896). 0. triehocahjx f. albicmtlis L6vl. Monog. Onoth. 346 

 (1909), type from Cal., "desert", Pari.s/i. 0. trichocalyx f. refracta Levi. I.e., typo loc. White- 

 water. C). trichocalyx f. mollis L6vl. I.e., type loc. Palm Sprs. of San Jacinto, Parish. Var. 

 COGNATA Jepson, Man. 681 (1925), typo loc. Corral Hollow, Contra Costa Co., Brewer 1217. 0. 

 deltoides var. cognata ISIunz, Am. Jour. Bot. 18:313 (1931). Var. cineracea Jepson, Man. 681 

 (1925), type loc. Borrego Sprs., Colorado Desert, T. Brandegee. 0. deltoides var. cineracea Munz, 

 Am. Jour. Bot. 18:316 (1931). Var. piperi Jepson. 0. deltoidcs var. piperi Munz, Am. Jour. 

 Bot. 18:314 (1931), type loc. Man's Lake, e. Ore., Cusiclc 2566. 0. trichocalyx f. acaulis L6vL 

 Monog. Onoth. 346 (1909), type loc. Sierra Valley, Lemmon. 



3. 0. californica Wats. Stems branching, 6 to 22 inches high, ascending 

 from a perennial slender deep-seated branched rootstock; leaf -blades narrowly to 

 broadly lanceolate or oblanceolate, entire, remotely denticulate, or pinnately lobed 

 or toothed, ashy with a dense short strigose pubescence, 1 to 4 inches long, sessile 

 or shortly petioled; flowers several, axillary, vespertine; calyx-tips free in the bud; 

 buds oblong to narrowly ovate, canescent and often shaggy-pilose; calyx-tube % 

 to 1^^ inches long; petals white, turning pink, broader than long, 1 to 1^2 inches 

 long; capsules narrow-linear, 8-ribbed, obtusely quadrangular or teretish, ascend- 

 ing but somewhat curved, sessile, 1 to 2^/4 inches long, not thickened at base; seeds 

 oblong, turgid, smooth, one row in each cell. 



Sandy soil, valleys, desert washes and mountain flats, 20 to 7000 feet : coastal 

 Southern California; Mohave Desert; north to Contra Costa and Mono Cos. East 

 to Nevada, south to Lower California. Apr.-July. 



Locs. — Jacumba, San Diego Co., T. Brandegee ; Grapevine Spr., e. of Warner Pass, Jepson 

 8756; Santa Rosa Indian Village, Santa Rosa Mts., Jepson; San Jacinto, Jepson 1249; River- 

 side, F. M. Eeed 260 ; Mill Creek Canon, San Bernardino Mts., R. J. Smith 103 ; San Bernardino 

 Valley, Parish; Cajon Pass, Peirson 387; Big Pines Camp, San Gabriel Mts., Epling, Dunn and 

 Goen; Aliso Canon, San Gabriel Mts., Barber 197b; Mt. Pinos, Ventura Co., C. L. Eitchcoch 

 113; Antioch, Chesnut 4' Drew; Sacramento, Shockley ; Mohave, F. P. Morse; Barstow, Jepson 

 5845; Barnwell, e. Mohave Desert, K. Brandegee; Argus Mts., Inyo Co., Purpus 5416; Kernville, 

 T. Brandegee ; betw. Bishop and Anderson Camp, K. Brandegee; Convict Creek, se. Mono Co., 

 Almcda Nordyke. 



Var. glabrata Munz. Herbage bright green, glabrous or subglabrous; buds glabrous, — 

 Sandy plains and flats, 100 to 1400 (or 6500) feet: Santa Cruz Mts.; San Gabriel Mts. to the 

 San Bernardino Valley and the Santa Rosa Mts. 



Locs. — Pajaro Valley, near Watsonville, A. O'Neil; Aliso Canon, San Gabriel Mts., Barber 

 197a; Cajon Pass, Hall 3013; San Bernardino, Parish 8544; Riverside, Hall 4952; Santa Rosa 

 Mt., Clary 2a. 



Refs. — Oenothera californica Wats.; B. & W. Bot. Cal. 1:223 (1876); Jepson, Fl. W. 

 Mid. Cal. 336 (1901), ed. 2, 282 (1911). 0. albicaulis var. californica Wats. Proc. Am. Acad. 

 8:582 (1873), type from Cal., no locality stated, probably Los Angeles, Wallace (I.e. 602). 

 Anogra californica Small, Bull. Torr. Club 23:176 (1896). 0. pallida var. californica Jepson, 

 Man. 681 (1925). 0. missouriensis race fremontii f. californica Levi. Monog. Onoth. 435 (1913). 

 0. albicaulis race transiens var. melanosperma Levi. Monog. Onoth. 342 (1909), type loc. Bear 

 Valley, San Bernardino Mts., Parish. Var. glabrata Munz, Am. Jour. Bot. 18:327 (1921), type 

 loc. San Bernardino, Parish 4177. 



Oenothera speciosa Nutt. Jour. Acad. Phila. 2:119 (1821), type loc. "on the plains of the 

 Red River" (Arkansas), Nuttall. Herbage more or less canescent; flowers white or rose, 1^4 to 

 3^ inches broad, diurnal; calyx-tube funnelform, stalked, as long as ovary; capsules % to % 

 inch long, acute at apex, 8-winged. — Occasional escape from cultivation: betw. Chino and Po- 

 mona, Mum 4560. 



4. 0. primiveris Gray. Leaves in a basal tuft, these and the flowers borne on 

 the very short thick-conical axis of the root-crown; herbage more or less pilose, 

 sometimes densely so; leaf -blades lanceolate or oblong in outline, unequally and 

 usually deeply pinnatifid, less commonly subentire or denticulate, 1 to 6 inches 

 lon^, on petioles i^ to 2 times as long; flowers vespertine; calyx-tube 1^ to 2 inches 



