594 ONAORACEAE 



lnl)t' sloiulor or filiform. 1 to 2^2 inchos lonpr; petals yellow, aginj? pale yellow or 

 white, 3^/2 to 7 lines lonj;; eapsules oblonp: to elliptic or ovate, fiuadrangular, smooth 

 or more or less rugulose, ridged on llie angles, G to 9 lines long; seeds yellowish, 

 favose-pitted. 



Moist meadows. 4000 to 8000 feet: easterly summits or east side of the Sierra 

 Nevada from Tidare Co. to Modoc Co. North to Washington, east to Montana 

 and Colorado. June-July. 



Locs. — R:iin.sli:iw Mdwa., near Kern Peak, Jcpson 4963; West Fork Carson River, Alpine 

 Co., Mtm2 11,086; Donner Lake, Sonne; Little Truckee River, Sierra Co., Sonne; Mineral, Te- 

 hama Co., J. Grinntll; Forestdale, sw. Modoe Co., M. S. Baker; Lake City Mt., Modoc Co., C. C. 

 Brucfi 2203. 



Refs. — Oenothera subacaulis Garrett, Spring Flora Wasatch Reg. 64 (1911) ; Jepson, 

 Man. 683 (1925). Jussieua subacaulis Pursli, Fl. 304 (1814), type loc. "banks of the Missouri", 

 M. Lciiis. Taraxia subacaulis Rydb. Mem. N. Y. Bot. Gard. 1:281 (1900). 0. heterantha Nutt. 

 Jour. Acad. Phila. 7:22 (1834), type loc. "toward the sources of the Columbia", Wyeth. Taraxia 

 heterantha Small, Bull. Torr. Club 23 :185 (1896). 0. primuloidea Levi. Monog. Onoth. 65 (1902). 

 0. heterantha var. taraxacifoUa Wats. Proc. Am. Acad. 8:589 (1873), type loc. Austin, Nov., 

 ^yaison 418 in part (Wats. I.e. 609). Taraxia heterantha taraxifolia Small, Bull. Torr. Club 

 23:185 (1896). 0. subacaulis var. taraxacifolia Jepson, Man. 683 (1925). 



11. 0. graciliflora H. & A. Hill Sun-cup. Leaves and sessile flowers in a 

 tuft, crowded on the root-crown or on the short (Vl inch long) branches; herbage 

 hirsute-pubescent; leaf -blades erect or ascending, linear, entire or sometimes ob- 

 scurely denticulate, 1 to 4V2 inches long, sessile; calyx-tube filiform, I/2 to 1% 

 inches long, the segments hirsute-pubescent; petals broadly obovate, the broad 

 shallow notch at apex with a middle tooth or acumination, 3 to 5 lines long; cap- 

 sules quadratish in outline, with a short wing-like tooth on the angles near the sum- 

 mit, coriaceous, 3 to 6 lines long. 



Sandy or gravell.y soil of the hill country and rolling plains, 50 to 2600 feet : 

 Coast Ranges, especially the inner ranges, from San Luis Obispo Co. to Siskiyou 

 Co.; Tehachapi Mts. ; Sierra Nevada foothills from Kern Co. to Shasta Co. North 

 to Oregon. ]\Iar.-June. 



Locs. — Coast Ranges: Arroyo Grande, San Luis Obispo Co., Alice King; Alcalde, sw. Fresno 

 Co., J. Brandegee ; Lewis Creek, s. San Benito Co., Jepson 16,150; San Antonio Valley, Monterey 

 Co., Marion Parsons; Evergreen, Santa Clara Co., Davy 89; Corral Hollow, Mt. Hamilton Range, 

 Jepson 9560 ; Grizzly Peak, Berkeley, Jepson 15,710 ; Antioch, Davy 904 ; Kelseyville, Lake Co., 

 H. Irwin 65; Potter Valley, Mendocino Co., Nettie Purpus; Cottonwood Creek, Yollo Bolly foot- 

 hills, w. Tehama Co., Jepson 14,489 ; Humbug, Siskiyou Co., Butler 648. Tehachapi Mts. : Girard 

 8ta., Kern Co., K. Brandegee ; Caliente, T. Brandegee. Marysville Buttes: South Peak, Jepson 

 14,490. Sierra Nevada foothills: Greenhorn Mts., Purpus; Kaweah, Hopping 256; Newcastle, 

 Placer Co., Bolandcr 4564; Brush Creek, Butte Co., Conger; Fall River Valley, ne. Shasta Co., 

 M. S. Balcer. 



Refs. — Oenothera graciuflora H. & A. Bot. Beech. 341 (1838), type from Cal., Douglas; 

 Hook. Icon. PI. t. 338 (1841) ; Jepson, Fl. W. Mid. Cal. 336 (1901), ed. 2, 283 (l^H), Man. 683, 

 fig. 665 (1925). Taraxia graciliflora Raim.; Engler So Prantl, Nat. Pflzfam. 3': 216 (1893). 



12. 0. palmeri Wats. Ragged Sun-cup. Stem branched at the ground into 

 several short very stout horizontal or contorted branches 14 to 2 inches long, the 

 bark white, exfoliating; leaf -blades linear (or oblanceolate), entire or obscurely 

 denticulate, exceeded in width by the broad sessile leaf base, minutely strigulose, 

 1 to IV2 inches long; calyx-tube filiform, 6 to 8 lines long; petals yellow, 1 to 2^/^ 

 lines long; capsules ovate, 2I/2 to 4 lines long, coriaceous, quadrangular, the angles 

 with a thick obliquely truncate wing; seeds minutely roughened. 



Sandy soil, 2000 to 4000 feet : Mohave Desert; Inyo Co. North through Nevada 

 to Oregon, east to Arizona. Apr.-June. 



Locs. — Antelope Valley, Los Angeles Co., Parish 1895; Mohave sta., Kern Co., Heller 7757; 

 betw. Randsburg and Rand, Kern Co., K. Brandegee; Granite Wells, Johnston 6479 ; Argus Peak, 

 Inyo Co., Hall 4- Chandler 6895. 



Refs.— Oenothera palmeri Wats. Proc. Am. Acad. 12:251 (1877), type from Ariz., Palmer; 

 Jepson, Man. 683 (1925). T araxia palmeri Small, Bull. Torr. Club 23:184 (1896). 



