58 CRUCIFERiE. [Draba. 



Var. glacialis. Dickie, Journ. Linn. Soc. ir. 33. "Watson, King's Rep. 5. 21. 

 Coulter, llayd. Rep. 1872, 760. Brew. & Wats. 1. c. 



D. !jlariails. Adams, Mem. Soc. Mosc. 5. 106. DC. Syst. 2. 338 ; Prodr. 1. 167. 

 Grab, in Edinb. Phil. Journ. 1829, 183. Hook. Fl. Bor.-Am. 1. 51 ; Lond. Journ. 

 Bot. 6. 71. Torr. & Gray, Fl. 1. 104. Ledeb. Fl. Ross. 1. 147. Walp. Rep. 1. 151. 

 Eat. & Wr. 228. Dietr. 3. 647. Seem. Bot. Herald, 24, 51 & 54. Durand, PI. 

 Kane, 187. Regel, Fl. Ost-Sib. 1. 186, t. 5, f. 3, 4; Descr. PI. Nov. fasc. 5. 22. 

 Rotbr. Alask. 443. Trautv. 1. c. 54. Porter, Hayd. Rep. 1871, 478. Coulter, same, 

 1872, 760. Regel, 1. c. 



D. incompta. Stev. in Mem. Soc. Mosc. 3. 268. Deless. Icon. Sel. 2, t. 44. 



D. oli;iusperma. Hook. Fl. Bor.-Am. 1. 51. Torr. & Gray, Fl. 1. 104. Walp. 

 Rep. 1. 151. Eat. & Wr. 228. Dietr. 3. 649. 



D.densifoUa. Nutt. ; Torr. & Gray, Fl. 1. 104. Walp. Rep. 1. 151. Dietr. 

 3. 649. Gray, Proc. Am. Acad. 7. 829. 

 Var. (?) micropetala. Durand, PI. Kane, 187. 



D.micropetala. Hook, in Parry's 2d. Voy. 385; Fl. Bor.-Am. 1.52. Torr. & 

 Gray, Fl. 104. Walp. 1. c. Dietr. 1. c. Hook. f. in Jour. Linn. Soc. i. 116. 

 Var. (?) coryinbosa. Durand, PI. Kane, 187. 



D. corymbosa. R. Br. in Ross' Voy. 143. DC. Syst. 2. 343; Prodr. 1. 169. 

 Don, Mill. 1. 184. Hook. Fl. 1. 52. Torr. & Gray, Fl. 1. 105. Dietr. 3. 649. 

 Valil; Liebm. Fl. Dan. 14, t. 2418. Langc, PI. Grunl. 129. Referred to D. andro- 

 sacea by Hook. f. Arct. PI. 317. 



D. alpiiiu, var. 6. Hook. Fl. Bor.-Am. 1. 52. 

 D. androsacea. Wabl. Fl. Lapp. 174, 1. 11, f. 5. See syn. by Lindb. in Liim. 

 13. 324 & Regel, Fl. Ost-Sib. 1. 188, under D. WaJdenbergii ; Turcz. Fl. Baic. 1. 135; 

 Hook. f. Arct. PI. 285 & 316. — Don, Mill. 1. 184. Lange, PI. Gronl. 130. 



D. lactea. Adams, Mem. Soc. Mosc. 5. 194. DC. Syst. 2. 347. Lange, PI. 

 Gronl. 130. Regel, Fl. Ost-Sib. 1. 195, with syn. 



? D. corymbosa, R. Br. See under Z). cdpina. 



D. Lapponica. WiUd. ; DC. Syst. 2. 344. R. Br. in Parry's 1st Voy. 266. 

 Cham. & Schlecht. in Linn. 1. 22. Hook. Fl. Bor.-Am. 1. 53. Torr. & Gray, Fl. 

 1. 105. Durand, PI. Kane, 187. 



D. hirta, var. 8. Hook, in Parry's 2d Voy. 386. 



D. Fladnitzensis, Wulf. DC. Syst. 2. 345, with syn. Turcz. Fl. Baic. 1. 133, 

 with syn. Ball, Bull. Bot. Soc. France, 7. 230 & 249 ; Hook, f . Arct. PI. 315. 



D. nivalis. DC. Syst. 2. 344, not Lilj. Durand, PI. Kane, 187. 



D. Wuhknbergii, Hartm. See Lindb. in Linn. 13. .324; Ledeb. Fl. Ross. 1. 150; 

 Regel, Fl. Ost-Sib. 1. 188, t. 5, f. 11, 12. — Vahl ; Fl. Dan. 14, t. 2420. 

 D. arabisans. Michx. Fl. 2. 28. Poir. Suppl. 2. 525. DC. Syst. 2. .349 ; Prodr. 

 1. 170. Torrey, Compend. 247 ; Fl. N. Y. 1. 62. Hook. Fl. Bor.-Am. 1. 55. Don, 

 Mill. 1. 185. Beck, Bot. 26. Torr. & Gray, Fl. 1. 106 & 668. Eat. & Wr. 228. 

 Dietr. 3. 651. Gray, Genera, 1. 160, t. 68; jManual, 71. PI. Bourgeau, 254. 



D. Arabia. Persoon, 2. 190. Nutt. Genera, 2. 63. Schwein. in Long's Exp. 2, 

 Appx. 115. Spreng. Syst. 2. 876. 



D. glabella. Pursh, 4-34. Poir. Suppl. 5. 661. DC. Syst. 2. 355 ; Prodr. 1. 172. 

 Hook. Fl. Bor.-Am. 1. 54, in part. Don, Mill. 1. 186. Torr. & Gray, Fl. 1. 107, in 

 part. Eat. & Wr. 227. Aschers. in Flora, 43. 369. 



JJ. incana, var. glabriusmla. Gray, Ann. Lye. N. Y. 3. 223. 



D. Henneana. Schlecht. Fl. Lab. in Linn. 10. 100. 



D. Canadensis. Brunet, PI. Canad. 1. 22. 



