108 CRUCIFER^. Draba. 



heueath, stellate-pubescent above, or usually more or less villous and ciliate with simple 

 hairs, 6 to 9 lines long : racemes pedunculate or nearly sessile : sepals glabrous or sparingly 

 pilose : pods linear, acute, glabrous, 4 to 7 lines long, e(pialling or exceeding the spreading 

 pedicels. — Fl. Ross. i. 154; Brew. & Wats. Bot. Calif, i. 28. — Subalpine in Rocky Moun- 

 tains from Colorado and Utah to Brit. America ; Blue Mountains, Oregon, Cusick ; Sierra 

 Nevada, Calif., ^ Brewer, Jones ; Unalaska, Eschschollz, Chamisso. 



D. montana, Watson. Stellate-pubescent throughout and villous below, rather stout> 

 simple or branched, leafy : leaves more or less densely pubescent and villous, oblanceolate 

 or oblong ; the cauline oblong-lanceolate : racemes nearly sessile : pods linear-oblong, finely 

 pubescent, obtuse or acutish, 3 to 5 lines long, erect or ascending on shorter spreading pedi- 

 cels. — Bibl. Index, 69 (name only), & Proc. Am. Acad. xiv. 289. — Mountains of N. Colorado, 

 Hall & Harbour, Vascy, Greene, UW/^ 



D. crassifolia, Grahaji. Annual or biennial, usually scapose, slender, glabrous through- 

 out or leaves ciliate (rarely slightly villous) : caudex simple or shortly branched : leaves 

 narrowly oblanceolate, 6 to 9 lines long or less : scape-like peduncles 1 to 6 inches high: 

 flowers small, often nearly white : pods lanceolate or oblong-lanceolate, acute, 2 to 4 lines 

 long, on spreading pedicels 2 to .5 lines in length. — Edinb. New Phih Jour. 1829, 182 ; Fl. 

 Dan. t. 2419 ; Brew. & Wats. Bot. Calif, i. 28. — Rocky Mountains of Brit. America, Drum- 

 mond, Macoun, and Colorado in Sawatcli Mountains, Brandegee ; at Peregoy's in the Sierra 

 Nevada, Gra//. (Greenland.) 



§ 4. Drab^a, Lindbl. Perennial, with a branching leafy-tufted caudex ; in a 



few species (in * * h— h— ) sometimes biennial and simple-stemmed : leaves flat, 



soft, more or less broad, not carinate. — LinnDsa, xiii. 318, & Stockholm Acad. 



Handl. 1839, 28. 



* Scapose. 



H— Leaves entire (less than 6 lines long) : flowers yellow. 



D. alpina, L. Densely cespitose and caudex much branched : leaves oblong-lanceolate, 

 obtuse or acute, with a thick midvein at base, glabrous and villous-ciliate or somewhat 

 villous-pubesceut with simple and stellate hairs, 6 lines long or less : scape pubescent, | to 6 

 inches high : sepals more or less villous : pods usually glabrous, ovate to oblong-ovate, acute, 

 2 to 4 lines long, on pedicels 1 to 5 lines long, 8-20-ovuled ; style short (^ line long) ; stigma 

 broadly capitate. — Spec. ii. 642; DC. Syst. ii. 338; Lange, Medd. Groen. iii. 247. D.pauci- 

 flora, R. Br. in Parry, 1st Voy. Suppl. to App. 266. I>. micropetala, Hook, in Parry, 2d 

 Voy. App. 385. — Arctic coast and islands from Grinnell Land, Greely, to Point Barrow; 

 Cape Chudleigh and Mansfield Island, Hudson Bay, R. Bell, the latter specimens with 

 rounded pods; Rocky Mountains, Brit. America, Drummond (D. rupestris, $, Hook. Fl. Bor.- 

 Am. i. 53), Macoun. (Greenland, N. Eu., Siberia.) 



D. Ho'Wellii, Watson. Finely stellate-pubescent throughout, cespitose with branching 

 caudex : leaves broadly spatulate, mostly very obtuse, half inch long or less : scapes 3 or 4 

 inches high : flowers large (3 or 4 lines long), in a loose raceme, deep yellow : pods pubescent, 

 oblong, acute at each end, somewhat oblique, 2 to 4 lines long not including the slender 

 style (a line long), on spreading pedicels 3 or 4 lines in length. — Proc. Am. Acad. xx. 

 354. — In the Siskiyou Mountains, Calif., T. Howell. 



D. Lemnioni, Watson. High alpine, densely cespitose and caudex much branched : leaves 

 rather tliick, spatulate or ol)long-ol)ovate, mostly very obtuse, ciliate and pilose with simple 

 or forked hairs or nearly glabrous, 3 to 5 lines long : scapes 1 or 2 inches high, pilose with 

 -spreading hairs : flowers 2 lines long : sepals somewhat villous : pods pubescent or glabrous, 

 ovate to broadly lanceolate, more or less twisted, 3 lines long, on slender spreading pedicels 

 2 to 4 lines long ; style stout, short. — Bot. Calif, ii. 430. D. alpina, var. algida. Brew. & 

 Wats. Bot. Calif, i. 29, mainly. — Peaks of the Sierra Nevada, Brewer, Lemmon ; Wallowa 

 Mountains, E. Oregon, Cusick. 



D. ventosa, Gray. Cespitose ; the slender branches of the caudex more or less densely 

 leaf V : leaves obloug-oblanceolate, obtuse or acutish, densely stellate-pubescent, 2 to 5 lines 



1 Southward to Mineral King, Calif., ace. to Coville, 1. c. 



