Erysimum. Eutrema.| CRUCIFERZ. 63 
1. 64, t. 22; Lond. Jour. Bot. 6. 69. Don, Mill. 1. 212. Torr. & Gray, Fl. 1. 95 & 
667; Pac. R. Rep. 2. 119 & 159. Hook. & Arn. Bot. Beechey, 135 & 323. Dietr. 
3.716. Nees, Pl. Wied, 4. Engelm. Wisliz. Rep. 4. Gray, Pl. Fendl. 9; Pl. Wright. 
1.8 &2.18; Pac. R. Rep. 12. 41; Ives’s Rep. 6. Durand, Pl. Pratten. 81; Fl. 
Utah, 159. Cooper, Pac. R. Rep. 12.56. Pl. Bourgeau, 254. Anderson, Cat. 117. 
Boland. Cat. 5. Porter, Hayd. Rep. 1870, 473; 1871,478. Watson, King’s Rep. 
5. 24. Coulter, Hayd. Rep. 1872, 761. 
E. lanceolatum. Pursh, 436. Bradbury, Cat. 338. 
Cheiranthus asper. Nutt. Genera, 2.69. James, Cat. 185. 
E. asperum, var. Purshii. Durand, Fl. Utah, 159. 
Var. Arkansanum. Gray, Manual, 69. Porter, Fl. Col. 8. 
E. Arkansanum. Nutt.; Torr. & Gray, Fl. 1. 95. Walp. Rep. 1.170. Dietr. 
8.715. Gray, Genera, 1. 150, t. 63; Pl. Lindh. 144; Manual, 1 ed. 37. Scheele, 
Linn. 21. 581; Rém. Texas, 436. Torrey, Emory’s Rep. 137. Durand, Pl. Prat- 
ten. 81. Boland. Cat. 5. 
Var. elatum. Torrey, Pac. R. Rep. 7. 7. Durand, Pl. Pratten. 81. Gray, Proc. 
Bost. Soc. Nat. Hist. 7. 146; Am. Jour. Sci. 2. 33. 242; Proc. Acad. Philad. 1863, 
57; Proc. Am. Acad. 8. 377. 
E. elatum. Nutt.; Torr. & Gray, Fl. 1. 95. Newberry, Pac. R. Rep. 6. 66. 
E. cheiranthoides. Linn. Spec. 661. See syn. in DC. Syst. 2. 498; Ledeb. FI. 
Ross. 1. 189. — Pursh, 486. Richards. Frankl. Journ. 16. DC. Prodr. 1. 198. 
Hook. Fl. 1. 64. Beck, Bot. 33. Torr. & Gray, Fl. 1. 94. Torrey, Fl. N. Y. 
1.60; Nicol. Rep. 145; Frem. Rep. 87; Bot. Wilkes, 230. Seem. Bot. Herald, 
51. Parry, Pl. Minn. 609. Hook. f. in Journ. Linn. Soc. 1.124; Arct. Pl. 
286 & 319. Gray, Pac. R. Rep. 12. 41; Proc. Acad. Philad. 1863, 57 ; Manual, 69. 
Lesqx. Fl. Ark 349. Regel, Fl. Ost-Sib. 1.206. Pl. Bourgeau, 254. Porter, Hayd. 
Rep. 1871, 478; Fl. Col. 8. Watson, King’s Rep. 5. 24. Coulter, Hayd. Rep. 
1872, 761. 
E. parviflorum. Persoon, 2. 199. Nutt. Genera, 2. 68. 
Sisymbrium cheiranthoides. Eat. & Wr. 429. 
E. parviflorum. Nutt.; Torr. & Gray, Fl. 1.95. Walp. Rep.1.170. Eat. & Wr. 
239. Dietr. 3. 715. 
E. lanceolatum. Wook. Fl. Bor.-Am. 1. 64; not R. Br. Torr. & Gray, Fl. 1. 94. 
Eat. & Wr. 238. Seem. Bot. Herald, 51. Rothr. Alask. 443. 
2 E. hieracifolium. ook. f. Arct. Pl. 286 & 519, as to American localities. 
E. asperum, var. inconspicuum. Watson, King’s Rep. 5. 24. Brew. & Wats. l. c. 39. 
E. orrentare, R. Br. <A. H. Smith, Proc. Acad. Philad. 1867, 17. 
E. pumilum. Nutt.; Torr. & Gray, Fl.1.95. Walp.l.c. Dietr.1l.c. Gray, 
Am. Journ. Sci. 2. 33. 242; Proc. Acad. Philad. 1863, 57. Brew. & Wats. 1. c. 
E. asperum, var. pumilum. Porter, Fl. Col. 8. 
? Hesperis Pallasii. Porter, F). Col. 9. 
EUTREMA Edwardsii. R. Br. in Parry’s Ist Voy. 267, t. A (Flora, 7?, Beil. 
73). Hook. in Parry’s 2d Voy. 388; Fl. Bor.-Am. 1.67. Spreng. Syst. 2. 880. 
Don, Mill. 1. 215. Meyer, Ledeb. Fl. Alt. 3. 163. Ledeb. Icon. t. 258; Fl. Ross. 
1.197. Hornem. Fl. Dan. 13, t.2242. Torr. & Gray, Fl. 1.112. Dietr. 3. 673. 
Lange, Pl. Groenl. 130. Hook. f. in Journ. Linn. Soc. 1. 121 & 5. 82; Arct. Pl. 286. 
Rothr. Alask. 443. Referred in Walp. Rep. 1. 171 to Smelowskia cinerea (Meyer 
in Ledeb. Fl. Alt. 3. 171), with syn. 
Draba (%) levigata. Cham. & Schlecht. in Linn. 1.25. Hook. Fl. Bor.-Am. 1. 54. 
Don, Mill. 1.186. Torr. & Gray, Fl. 1. 106. 
