Isopyrum. Ranunculus.| RANUNCULACEZ. 15 
Enemion biternatum. Raf. in “ Jour. Phys. 2. 70.” DC. Prodr. 1. 48. Don, Mill. 
1.47. Torr. & Gray, Fl. 1. 29. Dietr. Syn. 3. 838. Regel, Fl. Ost-Sib. 1. 62. 
I. thalictroides. Short, Cat. Pl. Kentucky, 1.8. Hook. Jour. Bot. 1. 187. 
I. Hallii. Gray, Proc. Am. Acad. 8. 3874. 
I. occidentale. Hook. & Arn. Bot. Beechey, 316. Torr. & Gray, Fl. 1. 660. 
MYOSURUS aristatus. Benth. Lond. Jour. Bot. 6. 458. Walp. Ann. 1. 7. 
Gray, Ives’s Rep. 5. Watson, King’s Rep. 5. 5. Coulter, Hayd. Rep. 1872, 758. 
M. apetalus. Gay, Hist. Chil. Bot. 1. 31, t. 1, fig. 1. Baillon, Hist. Pl. 1. 43. 
M. minimus. Linn. Spec. 284. See syn. in DC. Syst. 1. 230; Ledeb. Fl. Ross. 1. 
26. — Elliott, 1. 582. Torr. & Gray, Fl. 1. 25; Pac. R. Rep. 2. 159. Hook. in Jour. 
Bot. 1. 187; Lond. Jour. Bot. 6. 459. Benth. Pl. Hartw. 295. Gray, Genera, 1. 28, 
t.8; Pl. Wright. 2.8; Proc. Acad. Philad. 1863, 57; Manual, 44. Torrey, Mex. 
Bound. 29; Bot. Wilkes, 215. Chapman, 6. Baillon, Hist. Pl. 1. 41, fig. 71-75. 
Lawson, Ranunc. Canad. 43. Boland. Cate 3. Anderson, Cat. Pl. Nev. 117. 
Watson, King’s Rep. 5. 5. Porter, Fl. Col. 2. 
M. Shortii. Raf. in Am. Jour. Sci. 1. 879 (Spreng. Neue Entdeck. 2. 208). DC. 
Prodr. 1. 25. Don, Mill. 1. 25. 
PZjONIA Brownii. Dougl.; Hook. Fl. Bor.-Am. 1. 27. Don, Mill. 1. 66. Torr. 
& Gray, Fl. 1. 41 & 661. Lindl. Bot. Reg. 25, t. 30. Walp. Rep. 1.61. Dietr. 
Syn. 3. 275. Benth. Pl. Hartw. 296. Torrey, Pac. R. Rep. 4. 63 & 7.7; Mex. 
Bound. 30; Bot. Wilkes, 217. Newberry, Pac. R. Rep. 6. 66. Kellogg, Proc. 
Calif. Acad. 1. 46. Anderson, Cat. Pl. Nev. 117. Watson, King’s Rep. 5. 12. 
Coulter, Hayd. Rep. 1872, 759. Brew. & Wats. Bot. Calif. 1. 13. 
P. Californica. Nutt. in Torr. & Gray, Fl. 1..41. Walp. Rep. 1.61. Dietr. 
Syn. 3. 275. Kellogg, Proc. Calif. Acad. 1. 46. 
RANUNCULUS abortivus. Linn. Spec.551. Hill, Veg. Syst. 13. 2, t. 2, fig. 4. 
Walt. Fl. Car. 159. ' Willd. Spec. 2. 1314. Poir. Dict.6.109. Pursh, 892. Smith, 
Rees Cyc. n. 23. DC. Syst. 1. 268; Prodr. 1. 84. Schlecht. Animad. 2. 10. Elliott, 
2.58. Hook. Fl. Bor.-Am. 1. 14, in part; Jour. Bot. 1. 187. Don, Mill. 1. 82. 
Torr. & Gray, Fl. 1.19. Dietr. Syn. 3. 817. Torrey, Fl. N. Y. 1. 13; Nicol. Rep. 
144. Parry, Pl. Minn. 608. Gray, Pac. R. Rep. 12. 40; Manual, 42. Chapman, 7. 
Pl. Bourgeau, 254. Lawson, Ranunc. Canad. 37. 
2 R. nitidus. Walt. Fl. Car. 159, not Muhl. or Elliott. Poir. Dict. 6. 126. Pursh, 
392. 
Var. micranthus. Gray, Manual, 42. Macoun & Gibson, Trans. Edinb. 12. 308. 
R. micranthus. Nutt. in Torr. & Gray, Fl. 1.18. Walp. Rep. 1.42. Dietr. 
Syn. 3. 318. Engelm. in Am. Journ. Sci. 46. 94. 
R. acris, Linn. Generally regarded as introduced, but classed by Hook. f. as 
indigenous. Hook. FI. Bor.-Am. 1. 18; Lond. Jour. Bot. 6. 66. Torr. & Gray, FI. 
1. 21, excl. var. Ledeb. Fl. Ross. 1. 40. Vahl, Fl. Dan. 14, t. 2415. Torrey, 
Emory’s Rep. 406. Hook. f., Arct. Pl. 283. Gray, Manual, 43. Lange, Pl. Gronl. 
128. Lawson, Ranune. Canad. 86. Boland. Cat. 3. 
R. adoneus. Gray, Proc. Acad. Philad. 1863, 56. Coulter, Hayd. Rep. 1872, 759. 
Porter, Fl. Col. 3. 
R. amenus? Gray, Am. Jour. Sci. 2. 38. 408. 
R. orthorhynchus, var. alpinus. Watson, King’s Rep. 5.9. Gray, Am. Jour. Sci. 
8. 8. 349; Proc. Am. Acad. 8. 373. 
R. affinis. R. Br. in Parry’s 1st Voy. Appx. 265 (Beil. zu Flora, 72. 70). Rich. 
ards. in Frankl. Journ. 2 ed. 23. Hook. in Parry’s 2d Voy. 884; Fl. Bor.-Am. 1. 
