Biscutella. Braya] CRUCIFERZ. 51 
BISCUTELLA Californica. Benth. & Hook. Genera, 1. 91. 
Dithyrea Californica. Harv. in Lond. Jour. Bot. 4. 77, t. 5. Walp. Rep. 5. 38 ; 
Ann. 8. 821. Engelm. in Wisliz. Rep. 12. Gray, Pl. Wright. 2. 14; Ives’s Rep. 7. 
Torrey, Pac. R. Rep. 4. 66 & 5. 359; Mex. Bound. 34. 
B. Wislizeni. Benth. & Hook. Genera, 1. 91. 
Iberis, n. sp. Torrey, Ann. Lyc. N. Y. 2. 166. 
Dithyrea Wislizeni. Engelm. in Wisliz. Rep. 11. Gray, Pl. Lindh. 150; PI. 
Fendl. 116; PJ. Wright. 1. 10 & 2. 14; Pl. Thurb. 299; Ives’s Rep. 7. Torrey, 
Marcy’s Rep. 280, t. 2; Sitgr. Rep. 155'& 175; Pac. R. Rep. 4.66 &7.8; Mex. 
Bound. 34. Walp. Ann. 3. 281. Torr. & Gray, Pac. R. Rep. 2. 159. 
BRASSICA arpa. Gray, Manual, 70. Boland. Cat. 5. 
Sinapis alba, Linn. Gray, Manual, 1 ed. 88. C. E. Smith, Proc. Acad. Philad. 
1867, 17. 
B. campestris, Linn. Gray, Manual, 71. Watson, King’s Rep. 5. 28. 
B. nicra, Koch. Gray, Manual, 71. Boland. Cat. 5. Watson, King’s Rep. 5. 28. 
Sinapis nigra, Linn. Torr. & Gray, Fl. 1.99. Torrey, Fl. N. Y 1.61; Pac. R. 
Rep. 7.8. Gray, Pl. Fendl. 9; Manual, 1 ed. 88; Pac. R. Rep. 12. 41. 
B. Rapa. Linn. Hook. f. Arct. Pl. 286. 
B. Srvapistrum, Boiss. Gray, Manual. 70. Coulter, Hayd. Rep. 1872, 761. 
Sinapis arvensis, Linn. Torr. & Gray, Fl. 1.99. Torrey, Fl. N. Y. 1.61; Pac. 
R. Rep. 7.8. Gray, Manual, 1 ed. 38. Hook. f. Arct. Pl. 286. 
BRAYA alpina, Sternb. & Hoppe. See syn. in Hook. f. Arct. Pl. 286 & 319; 
Fournier, Mon. Sisymbr. 131, & Trautvetter, Trud. Petr. 1. 59, under Sisymbrium 
alpinum. — Deless. Icon. Sel. 2.7, t. 22. Hook. Exot. Fl. 2, t. 121; Jour. Linn. 
Soc. 5.82. A. Braun in Flora, 14?. 561, t. 2. 
Var. Americana. Hook. Fl. Bor.-Am. 1. 65. Torr. & Gray, Fl. 1. 111. 
Var. glabella. 
B. glabella. Richards. Frankl. Journ. 15. DC. Prodr. 1. 141. Spreng. Syst. 
2. 881. Hook. Fl. Bor.-Am. 1. 65. Don, Mill. 1. 160. Torr. & Gray, Fl. 1. 111. 
Walp. Rep 1. 172. Bunge, Ann. Sci. Nat. 2. 18. 222. Dietr. 3. 688. Seem. Bot. 
Herald, 54 & 55. 
Platypetalum purpurascens. R. Br. in Parry’s 1st Voy. 267 (Flora, 7°, Beil. 71). 
Hook. FI. Bor.-Am. 1. 66, t. 23. Don, Mill. 1. 268. Torr. & Gray, Fl. 1. 111. 
Hornem. Fl. Dan. 13, t. 2295. Walp. Rep. 1. 174. Dietr. 38. 674. Lange, Fl. 
Gronl. 130. Hook. f. Jour. Linn. Soc. 1. 116 & 121. Dickie, same, 3. 110. 
P. dubium. R.Br. ll. ce. Hook.l.c. Don,l.c. Torr. & Gray, l.c. Walp. 
ie, Diet! c: 
B. arctica. Hook. in Parry’s 2d Voy. 387. 
Sisymbrium alpinum, var. glabellum. Trautv. 1. ¢. 
B. purpurascens. Bunge; Ledeb. Fl. Ross. 1. 195. 
B. Eschscholtziana. Benth. & Hook. Genera, 1. 83. 
Aphragmus Eschscholtzianus. Andrz.in DC. Prodr. 1. 210. Don, Mill. 1. 223. 
Torr. & Gray, Fl. 1.112. Dietr. 8.675. Rothr. Alask. 443. 
Oreas involucrata. Cham. & Schlecht. in Linn. 1. 29, t.1. Hook. Fl. Bor.-Am. 
1.67. Don, Mill. 2. 215. 
Orobium involucratum. Reich. Consp. 185. 
B. pilosa. Hook. Fl. Bor.-Am. 1. 65, t. 17. Don, Mill. 1. 160. Torr. & Gray, 
Fl. 1.111. Walp. Rep. 1.172. Dietr. 3. 688. Seem. Bot. Herald, 51. Hook. f. 
Arct. Pl. 286 & 319. 
