Dmba. CRUCIFKR.E. Kj'J 



long : scapes i to 4 inclics high, puhosiciit or glalimto ; raronio iiRiiallv loosp : flowers hrij,'lit 

 yellow, 2 lines long or more: calyx usually pulptsccnt : pu.ls ovale lo olilonglamcolato, 

 usually acute, densely jiuhesceut to glalirous, 2 ti> 4 lines lung, with a 8h<irt hlender t<l\\v (a 

 third line long), on pedicels 1 to 4 lines long. — Am. Nat viii. 212. I). nlfiiKi, Watt*. Hot. 

 King Exp. 20. — Peak above Snake I'jiss, N. \V. Wyoming, I'lirri/ ; K. llumlMtldt Monn- 

 taius, Nevada, and Uinta Mountains, Utah, Walsim, iu>. 84, and no. 92 in part ; Stvin'n 

 Mountain, S. E. Oregon, T. Ilourll. Tlio original sjiecimens were very densely leafy and 

 den.scly pubescent throughout. 



D. eurycarpa, (ln.w. J)ensely cespitose and stellate-pubescent; tlie sliort liraiichex of tho 

 caudex very leafy: leaves oblanceolate, 6 lines long: scaj)es scan-ely exceeding the leavon, 

 pubescent, lew-Howered : flowers unknown : ])ods large, nl)li(ng-<il)(ivate, acute, giabroiin, 5 to 

 8 lines long, 2 to 4 broad ; the slender style nearly a line long. — I'roc. Am. Acad. vi. .')20. — 

 Near summit of peak south of Sonora I'ass, Calif., at ll,.')()() feet alt., linmr, no. l'J09. 

 •i- H— Leaves (mostly very small) entire or rarely few-tootheil : Howers white : scajies randy 

 with a single leaf. 



D. nivalis, Lir..JKHLAD. Caudex with numerous slender nuitted branches : leaves in sjiiall 

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

 dense stellate pubescence, not at all ciliate or slightly so near -the ba.<e, 2 or 3 lines long or 

 less: scapes slender, pubescent, 1 to 3 inches high: calyx jiubescent : jiods few, iiMiiilly 

 glabrous, oblong, acute at each end, 2 or 3 lines long, with short stout style and 2lol.ed 

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

 1793, 208 ; Lindbl. Linnaia, xiii. 325 ; Fl. Dan. t. 2417 ; Lange, Medd. Gra-n. iii. 39. It. muri- 

 cella, AVahl. Fl. Lap. 174; Torr. & Gray, Fl. i. 104. D. slrthln, var. uirulis, Hegel, IJull. 

 Soc. Nat. Muse, xxxiv. pt. 2, 192. — From the Arctic Coa.st to Labrador on the ea.st, ami to 

 the Aleutian Islands on the west; Madeod's Lake, Brit. Columltia and North Kootenai 

 Vass, Mucoiin ; mountains of Colorado; Uinta Mountains, Utah, and E. HumJM.Idt Moun- 

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

 Kocky Mountain and other western specimens are usually .somewhat ciliate at the luise of 

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



Var. elongata, Watson. Leaves ol>tuse or acutish : scai)es very slender : jiods long 

 and narrow (4 to 8 lines in length), on pedicels 1 to ■') lines long. — I'roc. Am. Acad, xxiii. 

 2.")8. ? D.lo'vljies, Hook. Fl. Bor.-Am. i. 53. — Rocky Mountains of Brit. America, lioiinimu, 

 Mdconn ; McDonald's Peak and Upper Maria's Pa.ss, Montana, Caiihi/ : N. W. Wyoming, 

 Piin-i/ ; Uinta Mountains, Watson ; Mt. Paddo, Washington, Sidsdor/. 



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

 crowded, very small, oblong, obtuse, finely stellate-pubescent or partially glabnite, n«>t 

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

 sparsely pubescent ; pedicels short : Howers small : i>etals white, scarcely exceeding the yel- 

 lowish ovate sepals: pods broadly ovate-elliptical, acutisli or obtuse, 2 lines loiifr, a.scending: 

 style very i^hort and thick ; ovules and seeds 6 or more. — Proc Am. Acail. xxrii. 25.), 25S. — 

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



D. Fladnizensis, Whlf. Caudex nmch branched : leaves more loosely rosnhite. narrosvly 

 oblanceolate and usually acute, entire, ])ilo.se-ciliate and u.^ually span^^ely villous or somen hat 

 stellate-jmbescent, rarely wholly glabrous, 3 to 5 lines long: .scapes 1 to 3 inches hi^li. 

 usually glabrous or slightly villous : ])etals often yellowish : jhmIs glal)rous, ovate-^iblong or 

 ovate, 2 to 3j lines long, several-see<led, on pedicels 1 or 2 lines in length ; stigma nearly 

 sessile. — Wulf. in Jacq. Misc. i. 147, t. 17, f. 1. /A amhosncn , Willd. Siio<\ iii. 42S. 

 r>. lactea, Adams, Mem. Soc. Nat. Mosc. v. 104. A Lai>i>onirn, Willd. in DC. Syst. ii. 344. 

 D. Wahlenherqii, Hartm. Scand. Fl. 240; Fl. Dan. t. 2420. — lIu<l.<on Strait. It. lUll : V.iv^]*' 

 County, Lower Canada, ./. A. Alien : Rocky Mountains of Brit. America. linHnirmi. liurlr .. 

 Mountains of Colorado, Brandeffee, Ifonkn' & (ha,/, Putlevson ; S. Utah. Sil.r,^ form with 

 the leaves regularly ciliate with umisually long hairs. (Greenland. N. and Centnil Ku , 

 Asia.) ' ■ . ' 



Var. COrymbosa, Watsov, 1. c. Leaves rather more frequently ttiothed, ciliate and 

 somewhat i)ul)esceiit : scapes and sepals u.sually pubescent : pods slellate-pnUvscent : stylo 

 very short.— A a>n,ml>o.sa, R. Br. in Ross, Voy. Aj.p. 143 ; Fl. Dan. t. -.MIS; Lange, 1. c. 

 1 Also near Mt. Whitney, ace. to ("ovilie. I. . . 



