QQ CRUCIFER^. [Nasturtium. 



Sisymbrium curvisiUqua. Hook. Fl. 1. Gl. Hook. & Am. Bot. Beechey, 323. 



N. cermium & polymorphum. Nutt. ; Torr. & Gray, Fl. 1. 74. Walp. Eep. 1. 127. 

 Var. lyratum. Watson, Bot. Calif. 1. 43. 



N. lyratum. Nutt. ; Torr. & Gray, Fl. 1. 73 & 666. Walp. Ecp. 1. 127. Dietr. 

 3. 685. Newberry, Pac. R. Eep. 6. m. Gray, Proc. Am. Acad. 8. 376. Torrcy, 

 Bot. Wilkes, 226. 



N. obtusion. Torrcy, Pac. E. Eep. 4. 65. 

 N. lacustre. Gray, Genera, 1. 132 ; Manual, 65. Chapman, 25. 



■? Cocldearia aquatica. Eaton, Manual, 5 cd. 181. 



N. natans. Hook. Fl. Bor.-Am. 1. 39, not DC. ; Journ. Bot. i. 190. Beck, Bot. 

 32. Gray, Manual, 1 ed. 32. 



N. nutans, var. Americanum. Gray, Ann. Lye. N. Y. 3. 223. Torr. & Gray, Fl. 



1. 75. Walp. Eep. 1. 127. Torrey, Fl. N. Y. 1. 52. Parry, PI. Minn. 609. 



Armoracia Americana. Hook. & Am. Brit. Fl. 7. ed. 29. Wood, Bot. & Fl. 42. 

 N. Umosum. Nutt. ; Torr. & Gray, Fl. 1. 74. Walp. Eep. 1. 127. Dietr. 3. 685. 

 Gray, Pac. E. Eep. 12. 41. Wood, Cl.-Book, 228 ; Bot. & Fl. 31. 

 N. obtusum. Nutt. ; Torr. & Gray, Fl. 1. 74. Walp. I?ep. 1. 127. Dietr. 3. 685. 

 Eat. & AVr. 326. Gray, PI. Fendl. 6 ; PI. Wright. 2. 10 ; PI. Thurb. 299 ; Pac. R. 

 Rep. 12. 41 ; Proc. Acad. Philad. 1863, 57. Torrey, Pac. R. Rep. 5. 359; Mex. 

 Bound. 33. Porter, Hayd. Rep. 1870, 473 ; 1871, 478; Fl. Col. 6. Watson, lung's 

 Rep. 5. 15. Coulter, Hayd. Rep. 1872, 760. 



Var. C?) alpinum. Watson, King's Eep. 5. 15. 

 N. OFFICINALE, E. Br. Cham. & Schlecht. in Linn. 1. 15. Hook. Fl. Bor.-Am. 

 1.39. Beck, Bot. 31. Torr. & Gray, Fl. 1. 72. Chapman, 25. Gray, Manual, 64 ; 

 Hall's PI. Tex. 3. Anderson, Cat. 117. Poland. Cat. 4. Watson, King's Eep. 5. 15. 

 Coulter, Hayd. Eep. 1872, 760. Porter, Fl. Col. 6. 



Sisymbrium Nasturtium, Linn. Walt. Fl. Car. 174. Pursh, 440. Nutt. Genera, 



2. 67. Elliott, 2. 145. 



N. palustre, DC. See syn. in DC. Syst. 2. 191 ; Ledeb. Fl. Eoss. 1. 112 ; Eegel, 

 Fl. Ost-Sib. 1.151. — Eichards. Frankl. Journ. 15. Cham. & Schleclit. in Linn. 



1. 15. Eaf. Med. Bot. 2. 39, f. 65. Hook. Fl. Bor.-Am. 1. 39; Jour. Bot. i. 190; 

 Lond. Jour. Bot. 6. 69. Beck, Bot. 32. Torr. & Gray, Fl. 1. 73. Hook. & Arn. 

 Bot. Beechey, 135. Torrey, Fl. N. Y. 1. 51 ; Nicol. Eep. 145 ; Frem. Eep. S7 ; 

 Pac. E. Eep. 4. 64; Mex. Bound. 33; Bot. Wilkes, 226. Gray, PI. Fendl. 6; PI. 

 Wright. 2. 10; Genera, 1. 182, t. 53, f. 1-5; Pac. E. Eep. 12. 41 ; Manual, 64; 

 Proc. Am. Acad. 8. 376. Seem. Bot. Plerald, 51. Parry, PI. Minn. 609. Lange, 

 PI. Gr5nl. 130. Cooper, Pac. E. Eep. 12. 56. Chapman, 25. Hook. f. Arct. PI. 

 284. Eothr. Alask. 442. Watson, King's Eep. 5. 15. Porter, Fl. Col. 6. 



Sisymhrium palustre, Linn. Pursh, 440. Elliott, 2. 145. 



Camelina barbareq folia. DC. Syst. 2 517 ; Prodr. 1. 201. Deless. Icon. Sel. 



2, t. 70. Cham. & Schlecht. in Linn. 1. 29. Hook. Fl. Bor.-Am. 1. 65. Torr. & 

 Gray, Fl. 1. 111. 



Tetrapoma barbarecefolium, Turcz., & T. Krusianum. Fisch. & Mey. in Lid. Sera. 

 Petr. 1. 39 (Linn. Litti-Ber. 1836, 104). Baill. Hist. PI. 3. 186 & 232, f. 210-213. 



Roripa nasturtioides. Spaoh, Hist. Veg. 6. 506. 



Tetrapoma pyriforme. Seem. Bot. Herald, 24, t. 2. Eothr. Alask. 443. 



N. lyrafnm. Cooper, Pad. E. Rep. 12. 51. 

 Var. hispidum. Fisch. & Mey. Ind. Sem. Petr. 3. 41 (Linn. Litt.-Ber. 1838, 

 101). Gray, PI. Fendl. 6 ; Manual, 64. Watson, ffing's Rep. 5. 15. Porter, Hayd.. 

 Rep. 1871, 478. Coulter, same, 1872, 760. 



