68 CRUCIFERZ. [Sisymbrium. 
PHYSARIA didymocarpa. Gray, Genera, 1. 162; Am. Jour. Sci. 2. 88. 248; 
Proc. Acad. Philad. 1863, 58. Torrey, Stansb. Rep. 384; Bot. Wilkes, 232. Porter, 
Hayd. Rep. 1870, 473; Fl. Col. 7. Watson, King’s Rep. 5. 20. 
Vesicaria didymocarpa. Hook. Fl. Bor.-Am. 15-485 tG) Don vill alee 
Torr. & Gray, Fl. 1. 102. Walp. Rep. 1. 141. Dietr. 8. 688. Torrey, Frem. 
Rep. 87. Pl. Bourgeau, 254. 
P. Geyeri. Gray, Genera, 1. 162. Torrey, Bot. Wilkes, 282. 
Vesicaria Geyeri. Hook. in Lond. Jour. Bot. 6. 70, t. 5. Walp. Ann. 1. 82. 
P. Newberryi. Gray, Ives’s Rep. 6; Am. Jour. Sci. 2. 83. 243. 
PLATYSPERMUM scapigerum. Hook. FI. Bor.-Am. 1. 68, t. 18, f B; 
Lond. Jour. Bot. 6.71. Don, Mill. 1.198. Torr. & Gray, Fl. 1. 112 & 668. Dietr. 
3. 659. Baill. Hist. Pl. 3. 270. Watson, King’s Rep. 5. 20. Torr. Bot. Wilkes, 234. 
RAPHANUS Rapuanistrum, Linn. Beck, Bot.34. Torr. & Gray, FI. 1.120. 
Torrey, Fl. N. Y. 1. 66; Mex. Bound. 35. Hook. f. Arct. Pl. 286. Gray, Manual, 
75. Boland. Cat. 5. 
R. sativus, Linn. Gray, Manual, 75. Coulter, Hayd. Rep. 1872, 761. 
SELENIA aurea. Nutt. in Jour. Acad. Philad. 5. 132, t. 6 (Linn. Litt.-Ber. 
1830, 62). Don, Mill. 1. 269. Torr. & Gray, Fl. 1.99. Dietr. 8.654. Gray, Gen- 
era, 1.,158, t. 67. 
S. dissecta. Torr. & Gray, Pac. R. Rep. 2. 160, t. 1 (Flora, 1858, 624). Walp. 
Ann. 7. 109. 
SENEBIERA Coronorvus, Poir. Torr. & Gray, Fl.1. 115. A. H. Smith, Proc. 
Acad. Philad. 1867, 18. Gray, Manual, 75. 
Coronopus Ruellii, All. Pursh, 485. Elliott, 2. 189. 
S. pipyma, Pers. Chapman, 30. Smith,l.c.17. Gray, Manual, 74. Boland. Cat. 5. 
Biscutella apetala. Walt. Fl. Car. 174. 
Cochlearia humifusa. Michx. Fl. 2. 27. 
Senchiera incisa. Willd. Enum. 668. 
Coronopus didymus. Pursh, 435. Nutt. Genera, 2. 65. James, Long’s Exped. 
2. 339. Elliott, 2. 139. 
Coronopus incisus. Hornem. Hort. Hafn. 599. 
Senebiera pinnatifida. WDC. Syst. 2.523; Prodr. 1. 208. Hook. Jour. Bot. 1. 192; 
Fl. Antarct. 1. 241. Torr. & Gray, Fl. 1.114. Gray, Genera, 1. 166, t. 72. 
SISYMBRIUM acurancutum, DC. Brew. & Wats. FI. Calif. 1. 41. 
S. auriculatum. Gray, Pl. Wright. 1.8 & 2.12. Walp. Ann. 4. 210. Fournier, 
Sisymb. 102. 
S. canescens. Nutt. Genera, 2.68. DC. Syst. 2.475; Prodr. 1.194. Richards. 
Frankl. Journ. 16. Elliott, 2. 147. Spreng. Syst. 2. 904. Graham, Edinb. Phil. 
Jour. 1828, 380 (Linn. Litt.-Ber. 1830, 128). Torrey, Ann. Lye. N. Y. 2. 166; 
Nicol. Rep. 145; Stansb. Rep. 884; Pac. R. Rep. 7.7; Mex. Bound. 388. Hook. 
Fl. Bor.-Am. 1. 62; Lond. Jour. Bot. 6. 69. Don, Mill. 1. 207. Darling. Fl. 
Cestr. 886. Torr. & Gray, Fl. 1. 92; Pac. R. Rep. 2. 159. Hook. & Arn. Bot. 
Beechey, 122. Walp. Rep. 1. 166. Dietr. 3.708. Engelm. & Gray, Pl. Lindh. 33. 
Gray, Genera, 1. 152, t. 64; Pl. Fendl. 8; Pl. Wright. 2.12; Pac. R. Rep. 12. 41; 
Ives’s Rep.6; Am. Jour. Sci. 2. 33. 243 & 2. 42.279; Manual, 70. Seem. Bot. 
Herald, 51. Parry, Pl. Minn. 609. Durand, Fl. Utah, 159. Cooper, Pac. R. Rep. 
12. 56. Chapman, 28. Pl. Bourgeau, 254. Hook. f. Arct. Pl. 286 & 319. Four- 
nier, Sisymb. 65. Rothr. Alask. 443. Boland. Cat. 5. Watson, King’s Rep. 
5, 23. Porter, Hayd. Rep. 1871, 478; Fl. Col. 8. Coulter, Hayd. Rep. 1872, 760. 
