MUSTARD FAMILY 95 



Coast Ranges of S. Cal.; Jepson I.e. J), integrifolia Greene, Pitt. 4:201 (1900). D. sonorae 

 Greene, Bull. Cal. Acad. 2:59 (1886), type loc. nw. Sonora, Pringle. J), cuneifolia var. sonorae 

 Parish, Bull. S. Cal. Acad. 2:82 (1903). Var. caufornica Jepson, Man. 443 (1925), type loe. 

 North Fork Crooked Creek, White Mts., Jepson 7261. 



5. D. stenoloba Ledeb. Aleut Draba. Stems several from a basal leaf -tuft, 

 erect or lax, slender, 5 to 13 inches high, % to 3 (or 5) inches high in alpine dwarfs; 

 herbage more or less villous; leaves mostly in a subrosulate basal tuft, % to % 

 (or 1%) inches long (or only 2 to 3 lines long in the alpine dwarfs), the blades 

 oblong-ovate or oblanceolate, thin, narrowed to a broad petiole, the one or two 

 cauline ones sessile, ovate to oblong-oblanceolate; sepals glabrous or sparingly 

 pilose; petals yellow, rarely purplish, becoming white in age, entire, obtuse or trun- 

 cate; fruiting raceme very open; pods linear, usually a little curved, acute, gla- 

 brous, 4 to 7 lines long, equal to or shorter than the spreading or divaricate pedicels. 



Subalpine wet meadows, 7000 to 12,000 feet : Sierra Nevada from Tulare Co. 

 to Modoc Co.; White Mts. East to the Rocky Mts., north to Alaska. June-July. 



Locs. — Sierra Nevada : Freeman Creek, Tulare Co., Jepson 4886 ; Mt. Silliman, Jepson 746 ; 

 Huntington Lake, Fresno Co., Jepson 12,972; Cloud's Rest, Chesnut Sr Drew; Yosemite Park, 

 Jepson 4510 (Benson Lake), 4553 (Mary Lake), 4423 (Lake Merced), 3307a (Mt. Dana); 

 Tallac, J. T. Howell 1408; "Webber Lake, Sonne; Lake City Canon, Modoc Co., C. C. Bruce 2248. 

 White Mts. : Campito Mdw., Jepson 7333. 



Refs. — Draba stenoloba Ledeb. Fl. Ross. 1:154 (1841), type loc. Aleutian Isls. ; Jepson, 

 Man. 444, fig. 433 (1925). D. nitida Greene, PI. Bak. 3^:7 (1901), type loc. Marshall Pass, Col., 



C. F. Baker 492; O. E. Schulz in Engler's Pflzr. 4i'»:319 (1927). D. nitida var. praelonga Schulz, 

 I.e. ; stems 1 foot high ; pedicels % to 1 inch long. — Soda Sprs., Nevada Co., and north to Wash- 

 ington and Canada ace. Schulz. 



6. D. aureola Wats. Vulcan Draba. Stems simple, 2 to 4 inches high, 

 crowded with leaves at base, arising from a simple or branched root-crown; herb- 

 age rather densely stellate-pubescent throughout; blades of the basal leaves ob- 

 lanceolate, obtuse, entire, 6 to 8 lines long, blades of the cauline oblong, shorter, 

 broadened at base, almost auriculate; raceme densely crowded in flower and fruit; 

 calyx glabrous; petals yellow; pods broadly oblong, obtuse, pubescent, not twisted, 

 4 to 5 lines long, on spreading pedicels 2 to 3 lines long; style short (half line long), 

 stout. 



Known only from four volcanic peaks (7000 to 11,000 feet) : Lassen Peak, 

 California; Diamond Peak, Oregon; Three Sisters, Oregon; Mt. Rainier, Wash- 

 ington. May-June. 



Refs. — Draba aureola Wats. Bot. Cal. 2:430 (1880), type loe. Lassen Peak, Lemmon, 

 B. M. Austin; Jepson, Man. 444, fig. 434 (1925) ; O. E. Schulz in Engler, Pflzr. 4i<'=:195 (1927). 



D. aurea Wats, I.e. 1:28 (1876), not Vahl. 



7. D. lemmonii Wats. Granite Draba. Stems naked, 1 to 314 inches high, 

 pilose with spreading hairs or glabrous, rising from a compact leafy cushion of 

 the much branched root-crown; leaf -blades thick, spatulate to oblong-obovate, 

 mostly very obtuse, conspicuously ciliate, and the surface glabrous or sparingly 

 hirsutulose with simple or forked hairs, 2 to 5 lines long; racemes short; petals 

 yellow, 2 lines long; sepals somewhat villous or subglabrous; pods oval or ovate to 

 broadly lanceolate, more or less undulate or twisted, pubescent or glabrous, 2^ 

 to 4 lines long, on slender spreading pedicels 1 to 2 or 4 lines long. 



Alpine peaks, rooting in the clefts of rocks, 9000 to 13,000 feet : Sierra Nevada 

 from Alpine Co. to Tulare Co. Western Nevada and eastern Oregon. July- Aug. 



Locs. — Ebbets Pass, Brewer; Tower Peak, Yosemite Park, Jepson 4552; Mt. Dana, Jepson 

 3292; Mt. Lyell, Jepson 3337a; Koip Peak, Kennedy; Silver Pass, Fresno Co., A. L. Grant 1542; 

 Kaiser Peak, A. L. Grant 1437; Evolution Basin, E. V. Ferguson 480; Alta Mdws., Kaweah 

 River Basin, Hopping 514, 517; Mt. Brewer, Breiver 2811; Mt. Whitney, Burton ^ Eyerson 41, 

 Purpus 1621, 2004; Columbine Lake, Sawtooth Range, Tulare Co., Jepson 4998; Mt. Guyot, 

 Mary HasTcell. 



