198 LEGUMINOS 2. [ Astragalus. 
A. Canadensis, var. Mortoni. Watson, King’s Rep. 5. 68. Porter, Hayd. Rep. 
1871, 481. Coulter, same, 1872, 764. 
A. multiflorus. Gray, Proc. Am. Acad. 6. 226; Bot. Calif. 1. 153. Watson, 
King’s Rep. 5. 75 & 444; Pl. Wheel. 7. Porter, Fl. Col. 29. Torrey, Bot. Wilkes, 
278. Rothr. Pl. Wheeler, 36. 
A. tenellus. Pursh, 473. Poir. Suppl. 5. 564. 
Ervum multiflorum. Pursh, 739. Poir. Suppl. 5. 671. Bradbury, Cat. 337. 
Spreng. Syst. 3. 270. ‘ 
Orobus dispar. Nutt. Genera, 2.95. James, Cat. 186; Long’s Exped. 2. 339. 
Seringe in DC. Prodr. 2. 380. Torrey, Ann. Lye. N. Y. 2. 180. Spreng. Syst. 
3. 261. Don, Mill. 2. 341. Dietr. 4. 1122. 
Phaca nigrescens. Hook. Fl. Bor.-Am. 1. 143. Don, Mill. 2. 470. 
Homalobus multiflorus. Torr. & Gray, Fl. 1. 351. Eat. & Wr. 272.. Walp. Rep. 
1.711. Torrey, Nicol. Rep. 149. Dietr. 4. 1099. Hook? in Lond. Journ. Bot. 6. 214. 
Engelm. Pl. Upp. Miss. 189. 
Homalobus dispar. Nutt.; Torr. & Gray, Fl. 1.350. Eat. & Wr. 271. Walp. 
Rep. 1. 711. Dietr. 4. 1099. 
A. nigrescens. Gray, Am. Journ. Sci. 2. 33. 410; Proc. Acad. Philad. 1863, 60. 
Pl. Bourgeau, 255. 
A. nothoxys. Gray, Proc. Am. Acad. 6. 232. Watson, King’s Rep. 5. 446. 
A. nudus. Watson, King’s Rep. 5. 74 & 443. Gray, Bot. Calif. 1. 153. 
A. Nuttallianus. DC. Prodr. 2.289. Don, Mill. 2.259. Torr. & Gray, FI. 
1. 554. Walp. Rep. 1. 702. Engelm. & Gray, Pl. Lindh. 7. Dietr. 4.1053. Scheele, 
Roem. Texas, 430. Torrey, Marcy’s Rep. 284; Mex. Bound. 55. Gray, Ives’s Rep. 
10; Proc. Am. Acad. 6. 199; Hall’s Pl. Texas, 7; Bot. Calif. 1. 146. Watson, King’s 
Rep. 5. 68 & 436. 
A. micranthus. Nutt. in. Journ. Acad. Philad. 3. 122 (Litt.-Ber. zu Linnea, 1829, 
40), not Desy. Eat. & Wr. 149. 
Var. trichocarpus. Torr. & Gray, Fl. 1. 334; Pac. R. Rep. 2. 163. Engelm. & 
Gray, Pl. Lindh. 7. Gray; Pl. Fendl. 36; Proc. Am. Acad. 6.199; Hall’s Pl. 
Texas, 7. . Watson, King’s Rep. 5. 68. 
A. trichocarpus. Young, FI. Texas, 228. 
Var. canescens. Torr. & Gray, Pac. R. Rep. 2. 163. Parry, Am. Naturalist, 
9. 270. 
A. Nuttallianus, vars. Gray, Pl. Wright. 1. 52 & 2. 43. . 
A. obcordatus. Elliott, 2.227. DC. Prodr. 2.306. Don, Mill. 2.272. Torr. & 
Gray, Fl. 1. 332. Eat. & Wr. 148. Dietr. 4. 1099. Gray, Pl. Fendl. 35; Pl. Wright. 
1.53; Proc. Am. Acad. 6.208. Chapman, 97. Wood, Bot. & Fl. 94. | Watson, 
King’s Rep. 5. 439. 
A, Elliottii. Dietr. 4. 1080. 
A. obscurus. Watson, King’s Rep. 5. 69 & 437. Gray, Bot. Calif. 1. 155. 
A. oocarpus. Gray, Proc. Am. Acad. 6. 213; Bot. Calif. 1.149. Watson, King’s 
Rep. 5. 440. 
A, Crotalaria. Torr. Mex. Bound. 56, t. 17. 
A. oophorus. Watson, King’s Rep. 5.73 & 441. Gray, Bot. Calif. 1. 148. 
A. Oreganus. Nutt.; Torr. & Gray, Fl. 1.335. Eat. & Wr. 150. Walp. Rep. 
1. 705. Dietr. 4. 1085. Gray, Proc. Am. Acad. 6. 202. Watson, King’s Rep. 5. 438. 
A. oroboides. Hornem. Fl. Dan. 8, t.1396. See syn. in Ledeb. Fl. Ross. 1. 602 ; 
Gray, Proc. Am. Acad. 6. 205; Bunge, Astrag. 2. 26. 
