Erysimum. Eutrema.] CRUCIFER^. 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. 13; 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, lung's Rep. 

 5. 24. Coulter, Hayd. Rep. 1872, 761. 



E. lanceolattm. Pursh, 436. Bradbury, Cat. 33S. 



Cheiranthus a&per. 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. Arkansannm. Nutt.; Torr. & Gray, Fl. 1. 95. Walp. Rep. 1. 170. Dietr. 

 3. 715. Gray, Genera, 1. 150, t. 63; PL Lindh. 144; Manual, 1 ed. 37. Scheele, 

 Linn. 21. 581 ; Rom. 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. ^^. 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. GOl. See syn. in DC. Syst. 2. 498 ; Ledeb. Fl. 

 Ross. 1. 180. — Pursh, 436. 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. i. 124; Ai'ct. 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. S. Watson, King's Rep. 5. 24. Coulter, Hayd. Rep. 

 1872, 761. 



E. parvijlorum. 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. 

 230. Dietr. 3. 715. 



E. lanceokttum. Hook. FL Bor.-Am. 1. 64 ; not R. Br. Torr. & Gray, Fl. 1. 94. 

 Eat. & Wr. 238. Seem. Bot. Herald, 51. Rothr. Alask. 443. 



1 E. hieracifoUum. Hook. £. Arct. PL 286 & 319, as to American localities. 



E. asperum, var. inconspicuum. Watson, King's Rep. 5. 24. Brew. & Wats. I. c. 39. 

 E. ORiENTALE, R. Br. A. H. Smith, Proc. Acad. Philad. 1867, 17. 

 E. pumilum. Nutt. ; Torr. & Gray, Fl. 1. 95. Walp. 1. c. Dietr. 1. 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, Fl. Col. 9. 

 EUTREMA Edwardsii. R. Br. in Parry's 1st Voy. 267, t. A (Flora, 7^, Beil 

 73). Hook, in Parry's 2d Voy. 388; Fl. Bor.-Am. 1. 67. Sprcng. 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. i. 121 & 5. 82 ; Arct. PL 286 

 Rothr. Alask. 443. Referred in Walp. Rep. 1. 171 to Smelou-skia cinerea (Meyer 

 in Ledeb. Fl. Alt. 3. 171), with syn. 



Draha (?) kevie/ata. Cham. & Sclilecht. in Linn. 1. 25. Hook. Fl. Bor.-Am. 1. 54 

 Don, Mill. 1. 186. Torr. & Gray, Fl. 1. 106. 



