300 ROSACEZ. [Potentilla. 
P. Pennsylvanica. Linn. Mant. 76. See syn. in Ledeb. Fl. Ross. 2. 40; Lehm. 
Rey. Pot. 57.— Ait. Hort. Kew. 2.214. Willd. Spec. 1099. Michx. Fl. 1. 304. 
Poir. Dict. 5. 588. Persoon, 2. 54. Pursh, 356. Nestler, Monog. Pot. 36. Lehm. 
Monog. Pot. 55; Hook. Fl. Bor.-Am. 1. 187. Torrey, Am. Journ. Sci. 1. 4. 64; Fl. 
U.S. 499. Seringe, DC. Prodr. 2.581. Spreng. Syst. 2. 533. Beck, Bot. 107. Torr. 
& Gray, Fl. 1. 438, excl. vars. 5 & e«. Eat. & Wr. 373. Walp. Rep. 2. 32. Gray, 
Pl. Fendl. 42; Pac. R. Rep. 12. 43; Manual, 154. Parry, Pl. Minn. 612. Pl. Bour- 
geau, 256. Rothr. Fl. Alask. 445; Pl. Wheeler, 37. Regel & Herder, Bull. Soc. 
Mose. 1. 474. Porter, Hayd. Rep. 1871, 481. Watson, Rev. Pot. 553; Pl. Wheeler, 
8. Referred to P. sericea by Hook. f. in Arct. Pl. 290 & 325. 
P. Missourica. Schrad. Ind. Sem. h. Geett. (Litt.-Ber. zu Linnea, 8. 26). Lindl. 
Bot. Reg. 17, t. 1412. Don, Mill. 2. 557. 
Var. strigosa. Pursh, 356. Lehm.ll.cc. Torr. & Gray, Fl. 1. 438. Engelm. 
Pl. Upp. Miss. 191. Gray, Am. Journ. Sci. 2. 33. 411; Proc. Acad. Philad. 1863, 61. 
Porter, Hayd. Rep. 1871, 481; Fl. Col. 36. Watson, Rev. Pot. 554. 
Var. glabrata. Watson, l. c. 
P. sericea, var. glabrata. Lehm. in Hook. Fl. Bor.-Am. 1. 189; Rev. Pot. 34. 
Don, Mill. 2. 560. Torr. & Gray, Fl. 1. 487. Torrey, Frem. Rep. 89. Seem. Bot. 
Herald, 29. 
P. Pennsylvanica. Wook. & Arn. Bot. Beechey, 123. 
P. Pennsylvanica, var. strigosa. Watson, King’s Rep. 5. 86. 
Var. arachnoidea. Lehm. Nov. Stirp. Pug. 9. 41; Rev. Pot. 59. 
P. Pennsylvanica, var. conferta. Gray, Pl. Fendl. 42. 
Var. bipinnatifida. Torr. & Gray, Fl. 1. 438. Torrey, Nicol. Rep. 149. Took. 
in Lond. Journ. Bot. 6. 220. Lehm. Rey. Pot. 60. 
P. arguta. Lehm. Monog. Pot. 62, not Pursh. Cham. & Schlecht. in Linnea, 
2.26. Spreng. Syst. 2. 534. 
P. Pennsylvanica, var. arguta. Seringe, DC. Prodr. 2. 581. 
P. bipinnatifida. Dougl.; Hook. Fl. Bor.-Am. 1. 188. Don, Mill. 2. 558. Eat. 
& Wr. 374. 
P. Plattensis. Nutt.; Torr. & Gray, Fl. 1. 489. Walp. Rep. 2. 52. Dietr. 3. 187. 
Lehm. Rey. Pot. 28, t.6. Gray, Proc. Acad. Philad. 1863, 61. Watson, Rev. Pot. 
556. Porter, Fl. Col. 36. Rothr. Pl. Wheeler, 37. Brew. & Wats. Bot. Calif. 179. 
P. sericea, var. B. Pl. Bourgeau, 256. 
@ P. diversifolia, var. pinnatisecta. Watson, King’s Rep. 5. 87. 
P. pulchella. R. Brown, Ross’s Voy. 142; Parry’s 1st Voy. 277 (Regensb. Flora, 
72, Beil. 87). Hook. in Parry’s 2d Voy. 395. Lehm. Monog. Pot. Suppl. 14, t. 7; 
Nov. Stirp. Pug. 8.25; Hook. Fl. Bor-Am. 1.191; Rev. Pot. 36. Spreng. Syst. 
42.198. Seringe, DC. Prodr. 2. 582. Hornem. Fl. Dan. 13, t. 2234. Don, Mill. 
2. 586. Torr. & Gray, Fl. 1.489. Eat. & Wr. 374. Walp. Rep. 2. 33. Dietr. 
8.185. Seem. Bot. Herald, 29. Lange, Pl. Groenl. 134. Durand, Pl. Kane. in 
Journ. Acad. Philad. 1856, 190 (Kane’s Exped. 2. 453). Watson, Rev. Pot. 554. 
P. sericea. Greville, Mem. Soc. Wern. 3. 430. Eat. & Wr. 374. 
P. nivea, var. pulchella. Durand, Pl. Hayes, Proc. Acad. Philad. 1863, 94. 
P. rivalis. Nutt.; Torr. & Gray, Fl. 1.487. Walp. Rep. 2.31; Ann. 2. 515. 
Dietr. 3.178. Lehm. Ind. Sem. h. Hamb. 1851, Add. 10 (Linnea, 25. 815); Otto, 
Gartenz. 7.350; Rev. Pot. 196,t. 61. Gray, Ives’s Rep. 11. Boland. Cat. 12. 
Anderson, Cat. Pl. Nev. 120. Watson, Rev. Pot. 552. Porter, Fl. Col. 16. Rothr. 
Pl. Wheeler, 37. Brew. & Wats. Bot. Calif. 1. 178. 
