08 CRUCIFER 2. [Draba. 
Var. glacialis. Dickie, Journ. Linn. Soc. 11.33. Watson, King’s Rep. 5. 21. 
Coulter, Hayd. Rep. 1872, 760. Brew. & Wats. l. c. 
D. glacialis. Adams, Mem. Soc. Mose. 5. 106. DC. Syst. 2. 838; Prodr. 1. 167. 
Grah. 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. Pl. Nov. fasc. 5. 22. 
Rothr. Alask. 443. Trautv. l.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. oligosperma. Hook. Fl. Bor-Am. 1.51. Torr. & Gray, Fl. 1.104. Walp. 
Rep. 1.151. Eat. & Wr. 228. Dietr. 3. 649. 
D. densifolia. Nutt.; Torr. & Gray, Fl. 1. 104. Walp. Rep. 1. 151. Dietr. 
8.649. Gray, Proc. Am. Acad. 7. 829. 
Var. (?) micropetala. Durand, Pl. Kane, 187. 
D. micropetala. Hook. in Parry’s 2d. Voy. 385; Fl. Bor.-Am. 1.52. Torr. & 
Gray, Fl. 104. Walp.l.c. Dietr.1.c. Hook. f. in Jour. Linn. Soe. 1. 116. 
Var. (4?) corymbosa. Durand, Pl. Kane, 187. 
D. corymbosa. RR. Br. in Ross’ Voy. 143. DC. Syst. 2. 843; Prodr. 1. 169. 
Don, Mill. 1. 184. Hook. Fl. 1. 52. Torr. & Gray, Fl. 1. 105. Dietr. 3. 649. 
Vahl; Liebm. Fl. Dan. 14, t. 2418. Lange, Pl. Gronl. 129. Referred to D. andro- 
sacea by Hook. f. Arct. Pl. 317. 
D. alpina, var. 6. Hook. Fl. Bor.-Am. 1. 52. 
D. androsacea. Wahl. Fl. Lapp. 174, t.11, f. 5. See syn. by Lindb. in Linn. 
13. 824 & Regel, Fl. Ost-Sib. 1. 188, under D. Wallenbergit ; Turez. Fl. Baic. 1. 185; 
Hook. f. Arct. Pl. 285 & 316. — Don, Mill. 1. 184. Lange, Pl. Gronl. 130. 
D. lactea. Adams, Mem. Soc. Mosc. 5. 194. DC. Syst. 2. 347. Lange, Pl. 
Gronl. 130. Regel, Fl. Ost-Sib. 1. 195, with syn. 
? D. corymbosa, R. Br. See under VD. alpina. 
D. Lapponica. Willd.; DC. Syst. 2. 344. R. Br. in Parry’s Ist Voy. 266. 
Cham. & Schlecht. in Linn. 1. 22. Hook. Fl. Bor.-Am. 1. 58. Torr. & Gray, FI. 
1. 105. Durand, Pl. Kane, 187. 
D. hirta, var. 3._Hook. in Parry’s 2d Voy. 386. 
D. Fladnitzensis, Wulf. DC. Syst. 2. 845, with syn. Turez. Fl. Baic. 1. 188, 
with syn. Ball, Bull. Bot. Soc. France, 7. 230 & 249; Hook. f. Arct. Pl. 315. 
D. nivalis. DC. Syst. 2. 344, not Lilj. Durand, Pl. Kane, 187. 
D. Wahlenbergii, 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. 849; 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; Manual, 71. Pl. Bourgeau, 254. 
D. Arabis. Persoon, 2. 190. Nutt. Genera, 2. 63. Schwein. in Long’s Exp. 2, 
Appx. 115. Spreng. Syst. 2. 876. 
D. glabella, Pursh, 434. 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. 
D. ineana, var. glabriuscula. Gray, Ann. Lye. N. Y. 3. 223. 
D. Henneana. Schiecht. Fl. Lab. in Linn. 10. 100. 
D. Canadensis. Brunet, Pl. Canad. 1. 22. 
