Poterium. Prunus.] EOSACE^. 303 



Syst. 1. 433. DC. Prodr. 2. 504. Turpin, Diet. Sci. Nat. 47. 278, t. 240. Beck, 

 Bot. 115. Eat. & Wr. 411. Dietr. 1. 439. Chapman, 122. 



P. officinale. Benth. & Hook. Gen. PL 1. 624. See syn. in Ledeb. El. Ross. 2. 27, 

 & Maxim. 1. c. 161 (mider Sanguisorba) ; Hook. f. Arct. PI. 290 & 326. —Gray, Proc. 

 Am. Acad. 7. 340 & S. 3S1. Brew. & Wats. Bot. Calif. 1. 186. 



Sanguisorba microcephala. Presl, Epimel. Bot. 202. Walp. Ann. 3. 855. 

 P. Sanguisorba, Linn. Hook. El. Bor.-Am. 1. 198. Torr. & Gray, El. 1. 429. 

 Eat. & Wr. 374. Wood, Cl.-Book, 326. Gray, Manual, 680. 



P. Sitchense. 



Sungnisorha Canadensis. Cham. & Schlecht. in Linnsa, 2. 32. Bongard, Veg. 

 Sitch. 133. 



S. media. Hook. El. 1. 197. Don, Mill. 2. 594. Presl, Epimel. Bot. 202. 



S. Canadensis, var. latifolia. Hook. El. Bor.-Am. 1. 198. Torr. & Gray, El. 1. 429. 

 Ledeb. El. Ross. 2. 28. 



S. Sitchensis. C. A. Meyer ; Trautv. & Meyer, El. Ochot. 34. 



S. Canadensis, var. media. Maximowicz, 1. c. 151. 

 PRUNUS Americana. Marshall, Arbust. 111. Darlington, Ann. Lye. N. Y. 

 3. 87, 1. 1; El. Cestr. 287. Beck, Bot. 95. Torr. & Gray, El. 1. 407 ; Pac. R. 

 Rep. 2. 164. Eat. & Wr. 377. Torrey, El. N. Y. 1. 194 ; Emory's Rep. 408 ; Pac. 

 R. Rep. 4. 82. Emerson, Trees of Mass. 449. Hook, in Lond. Journ. Bot. 6. 217. 

 Roem. Syn. Monogr. 3. 59. Gray, PI. Eendl. 40 ; Manual, 148. Scheele, Roem. 

 Texas, 430. Nutt. Sylva, 2. 19, t. 48. Richard. Arct. Exped. 424. Parry, PI. 

 Minn. 611. Engelm. PI. Upp. Miss. 190. Curtis, Bot. N. Car. 56. Lesqx. El. 

 Ark. 358. Chapman, 119. PI. Bourgeau, 256. Porter, El. Col. 33. 



1 P. Mississippi. Marshall, Arbust. 112. 



P. spinosa. Walter, 146. 



P. nigra. Ait. Hort. Kew. 2. 165. Willd. Spec. 2. 993. Poir. Diet. 5. 674. 

 Persoon, 2. 35. Sims, Bot. Mag. t. 1117. Pursh, 331. Torrey, El. U. S. 469. 

 Spreng. Syst. 2. 477. Roem. Syn. Monog. 3. 59. 



Cerasus nigra. Loiscl. in Nouv. Duliam. 5. 32. Seringe, DC. Prodr. 2. 5-38. 

 Hook. El. Bor.-Am. 1. 167 ; Comp. Bot. Mag. i. 24. Don, Mill. 2. 513. Beck, Bot. 

 96. Spach, Hist. Veg. 1. 399. Loud. Arb. 2. 704, f. 411, 412. 



P. hiemalis. Elliott, 1. 542. 

 Var. moms. Torr. & Gray, El. 1. 307. 



? P. Canadensis. Linn. Spec. 2 ed. 678. Willd. Spec. 2. 986. Poir. Diet. 5. 665. 

 Persoon, 2. 34. Pursh, 330. Torrey, El. U. S. 468. Dietr. 3. 42. Suppressed by 

 Torr. & Gray, El. 1. 408. 



P. hiemalis. Michx. El. 1. 284. Poir. Diet. 5. 679. Persoon, 2. 35. Loisel. in 

 Nouv. Duham. 5. 184. Spreng. Syst. 2. 477. Spach, Hist. Veg. 1. 398. Roem. 

 Syn. Monog. 3. 59. 



Cerasus Canadensis. Loisel. in Nouv. Duham. 5. 3. Seringe, DC. Prodr. 2. 539. 

 Don, Mill. 2. 515. Beck, Bot. 97. Spach, Hist. Veg. 1. 417. Eat. & Wr. 189. 

 Loud. Arb. 2. 713. 



P. mollis. Torrey, El. U. S. 470. Beck, Bot. 95. 



Cerasus hiemalis. ' Seringe, DC. Prodr. 2. 538. Hook. El. Bor.-Am. 1. 168. Beck, 

 Bot. 96. Loud. Arb. 2. 704.. Don, Mill. 2. 504. 



Cerasus Americana. Hook. Comp. Bot. Mag. 1. 24. 

 Padus Canadensis. Roem. Syn. Monog. 3. 88. 

 P. Andersoni. Gray, Proc. Am. Acad. 7. 337 & 10. 70. Anderson, Cat. PL Nev. 

 120. Watson, King's Rep. 5. 79. Brew. & Wats. Bot. Calif. 1. 168. 



