Draba. CRUCIFER^. l09 



long : scapes ^ to 4 inches high, pubescent or glabrate ; raceme usually loose : flowers bright 

 yellow, 2 lines long or more : calyx usually pubescent : pods ovate to ol)long-lanceolate, 

 usually acute, densely pubescent to glabrous, 2 to 4 lines long, witii a short slender style (a 

 third line long), on pedicels 1 to 4 lines long. — Am. Nat viii. 212. D. aljiina, Wats. Bot. 

 King Exp. 20. — Peak above Snake Pass, N. W. Wyoming, Parrij ; E. Humboldt Moun- 

 tains, Nevada, and Uinta Mountains, Utah, Watson, no. 84, and no. 92 in part ; Stein's 

 Mountain, S. E. Oregon, T. Howell. The original specimens were very densely leafy and 

 densely pubescent tlirougliout. 



D. eurycarpa, Gray. Densely cespitose and stellate-pubescent ; the short branches of the 

 caudex very leafy : leaves oblanceolate, 6 lines long : scapes scarcely exceeding the leaves, 

 pubescent, few-flowered : flowers unknown : pods large, oblong-obovate, acute, glabrous, 5 to 

 8 lines long, 2 to 4 broad ; the slender style nearly a line long. — Proc. Am. Acad. vi. 520. — 

 Near summit of peak south of Sonora Pass, Calif., at 11,500 feet alt., Brewer, no. 1909. 

 •I— -)— Leaves (mostly very small) entire or rarely few-toothed : flowers white : scapes rarely 

 with a single leaf. 



D. nivalis, Liljeblad. Caiidex with numerous slender matted branches : leaves in small 

 dense tufts, oblanceolate, acutish, with a rather stout midnerve, entire, canescent with a short 

 dense stellate piibescence, not at all ciliate or slightly so near the base, 2 or 3 Hues long or 

 less : scapes slender, pubescent, I to 3 inches high : calyx pubescent : pods few, usually 

 glabrous, oblong, acute at each end, 2 or 3 lines long, with short stout style and 2-lobed 

 stigma, on pedicels 1 or 2 lines long or less; ovules about 10 or 12. — Vet. Akad. Ilaudl. 

 1793, 208 ; Liudbl. Linnaja, xiii. 325 ; Fl. Dan. t. 2417 ; Lange, Medd. Green, iii. 39. D. muri- 

 cella, Wahl. El. Lap. 174 ; Torr. & Gray, Fl. i. 104. D. stellata, var. nivalis, Eegel, Bull. 

 Soc. Nat. Mosc. xxxiv. pt. 2, 192. — From the Arctic Coast to Labrador on the east, and to 

 the Aleutian Islands on the west ; Macleod's Lake, Brit. Columbia and North Kootenai 

 Pass, Macoun ; mountains of Colorado ; Uinta Mountains, Utah, and E. Humboldt Moun- 

 tains, Nevada, Watson. The flowers appear to be sometimes tinged with yellow. The 

 Rocky Mountain and other western specimens are usually somewhat ciliate at the base of 

 the leaves. (Greenland, Iceland, Spitzbergen, N. Eu.) 



Var. elongata, Watson. Leaves obtuse or acutish : scapes very slender : pods long 

 and narrow (4 to 8 lines in length), on pedicels 1 to 5 lines long. — Proc. Am. Acad, xxiii. 

 258. ■? D. kevipes, Hook. Fl. Bor.-Am. i. 53. — Rocky Mountains of Brit. America, Bourgeau, 

 Macoun ; McDonald's Peak and Upper Maria's Pass, Montana, Canbi/ ; N. W. Wyoming, 

 Parry ; Uinta Mountains, Watson ; Mt. Paddo, Washington, SuLfdorf. 



D. subsessilis, Watson. Densely cespitose ; the caudex very much branched : leaves 

 crowded, very small, oblong, obtuse, finely stellate-pubescent or partially glabrate, not 

 ciliate : peduncles very short, rather stout ; the fruiting racemes an inch high, with the pods 

 sparsely pubescent ; pedicels short : flowers small : petals white, scarcely exceeding the yel- 

 lowish ovate sepals : pods broadly ovate-elliptical, acutish or obtuse, 2 lines long, ascending: 

 style very short and thick ; ovules and seeds 6 or more. — Proc. Am. Acad, xxiii. 255, 258. — 

 White Mountains, Mono Co.,i California, at 13,000 feet alt., ShocUey. 



D. Fladnizensis, Wulf. Caudex much branched : leaves more loosely rosulate, narrowly 

 oblanceolate and usually acute, entire, pilose-ciliate and usually sparsely villous or somewhat 

 stellate-pubescent, rarely wholly glabrous, 3 to 5 lines long : scapes 1 to 3 inches high, 

 usually glabrous or slightly villous : petals often yellowish : pods glabrous, ovate-oblong or 

 ovate, 2 to 3^ lines long, several-seeded, on pedicels 1 or 2 lines in length ; stigma nearly 

 .sessile. — Wulf. in Jacq. Misc. i. 147, t. 17, f. 1. D. androsacea, Willd. Spec. iii. 428. 

 D. lactea, Adams, Mem. Soc. Nat. Mosc. v. 104. D. Lapponica, Willd. in DC. Syst. ii. 344. 

 D. Wahlenhercjii, Hartm. Scand. Fl. 249 ; Fl. Dan. t. 2420. — Hudson Strait, R. Bell ; Gaspe 

 County, Lower Canada, J. A. Allen; Rocky Mountains of Brit. America, Bourgeau, Burke; 

 Mountains of Colorado, Brandegee, Hooker &, Gray, Patterson ; S. Utah, Siler, a form with 

 the leaves regularly ciliate with unusually long hairs. (Greenland, N. and Central Eu., 

 Asia.) 



Var. COrymbosa, Watson, 1. c. Leaves rather more frequently toothed, ciliate and 

 somewhat pubescent : scapes and sepals usually pubescent : pods stellate-pubescent ; style 

 very short.— D. corytnbosa, R. Br. in Ross, Voy. App. 143 ; Fl. Dan. t. 2418; Lange, 1. c. 



1 Also near Mt. Whitney, ace. to Coville, 1. c. 



