176 SAPINDACE®. [Acer. 
Syst. 2.224. “Hook. Fl. Bor.-Am. 1.111. Torr. & Gray, Fl. 1. 246. | Emerson, 
Mass. Trees, 496. Gray, Genera, 2. 200, t. 174, f. 1-3 (fl.); Manual, 119. Rich- 
ard. Arct. Exped. 422. Curtis, Bot. N. Car. 52. Chapman, 80. Buchenau, Bot. 
Zeit. 19. 285, t. 11, f. 24. 
A, Canadense. Marsh. Arbust. 4. 
A. striatum. DuRoi, Diss. 58; Harbk. 1. 8,t.1. Wangenh. Amer. 29, t. 12, f. 2. 
Lam. Dict. 2. 881. Ehrh. Beitr. 4.25. Moench, Meth. 56. Persoon, 1. 417. 
Michx. f. Arbr. Amer. 2. 242, t.17. _Pursh, 267. Nutt. Genera, 1. 253. DC. 
Prodr. 1. 593. Bigel. Fl. Bost. 879.. Watson, Dendr. t.70. Don, Mill. 1. 648. 
Beck, Bot. 64. Spach, Hist. Veg. 3. 85; Ann. Sci. Nat. 2. 2.162. Dietr. 2. 1281. 
Eat. & Wr. 112. Loud. Arbor. 1. 407, t. 27 & f. 116. 
A. rubrum. Linn. Spec. 1055. DuRoi, Diss. 59. Marsh. Arbust. 3. Lam. Dict. 
2. 380; Ill. t. 844,f.3. Ehrh. Beitr. 4.23. Ait. Hort. Kew. 8. 434, excl. var. 
Moench, Meth 56. Michx. Fl. 2. 253. Persoon, 1.417. Loisel. Nouv. Duham. 
4.31. Willd. Spec. 4. 984; Enum. 1044. Desf. in Ann. Mus. 7. 418, t. 25, f. 2. 
Poir. Suppl. 2. 574. Tratt. Archiv. 1,t.9. Michx. f. Arbr. Amer. 2. 210, t. 14. 
Pursh, 265. Bigel. Fl. Bost. 877. Nutt. Genera, 1. 252. Elliott, 1.449. James, 
Long’s Exped. 2. 845. Torrey, Fl. U.S. 395; Fl. N. Y. 1.187. Watson, Dendr. 
t.169. Spreng. Syst. 2. 225. Audubon, Birds, t. 54,67. Tausch, Regensb. Flora, 
12”. 552. Hook. Fl. Bor.-Am. 1. 114; Jour. Bot. 1. 199. Don, Mill. 1. 650. Beck, 
Bot. 63. Spach, Hist. Veg. 3.1138; Ann. Sci. Nat. 2.2.176. Darling. Fl. Cestr. 
244. Torr. & Gray, Fl. 1. 249 & 684. Dietr. 2.1282. Eat. & Wr. 112. Walp. 
Rep. 1. 409. Loud. Arbor. 1. 424, t. 39,40 & f.130. Emerson, Mass. Trees, 483. 
Richard. Arct. Exped. 422. Nutt. Sylva, 2. 87. Engelm. Pl. Upp. Miss. 187. 
Curtis, Bot. N. Car. 50. Chapman, 81. Buchenau, Bot. Zeit. 19. 285, t. 11, figs. 
Pl. Bourgeau, 255. Gray, Manual, 119. 
2 A. glaucum. Marsh. Arbust. 2. 
2 A. Carolinianum. Walter, 251. 
A. coccineum. Michx. f. Arbr. Amer. 2. 203. 
A. sanguineum. Spach, Ann. Sci. Nat. 2. 2. 176; Hist. Veg. 8.115. Dietr. 
2. 1282. 
A. Drummondii. Hook. & Arn. in Hook. Jour. Bot. 1. 199. Nutt. Sylva, 2. 83, 
HO: 
A. saccharinum. Wangenh. Amer. 36, t.11,f. 26. Lam. Dict. 2.379. Walter, 
251. Ait. Hort. Kew. 3. 434. Ehrh. Beitr. 4. 24. Persoon, 1. 417. Loisel. Nouv. 
Duham. 4. 29, t.8. Willd. Spec. 4. 985; Enum. 1044. Tratt. Archiv. 1, t. 3. 
Michx. f. Arbr. Amer. 2. 218, t.15. Pursh, 266. Bigel. Fl. Bost. 878. Elliott, 
1.450. Richard. Frankl. Journ. 26; Arct. Exped. 422. DC. Prodr. 1.595. Tor- 
rey, Fl. U. S. 396; Fl. N. Y. 1.185. Spreng. Syst. 2. 225. Hook. Fl. Bor.-Am. 
1.118. Don, Mill. 1. 650. Beck, Bot. 68. Spach, Il. ce. 170 & 99. Darling. Fl. 
Cestr. 245. Torr. & Gray, Fl. 1.248. Eat. & Wr. 112. Dietr. 2.1282. Walp. 
Rep. 1. 410. Nees, Pl. Wied, 5. Loud. Arbor. 1. 411, t. 31 & f.122. Emerson, 
Mass. Trees, 489. Gray, Genera, 2. 200, t. 174; Manual, 119. Nutt. Sylva, 2. 88. 
Parry, Pl. Minn. 610. Engelm. Pl. Upp. Miss. 187. Chapman, 80. 
A. saccharum. Marsh. Arbust. 4. 
A, barbatum. Michx. Fl. 2. 252. Willd. Spec. 4.989. Poir. Suppl. 2. 575. 
Pursh, 266. Elliott, 1.451. DC. Prodr. 1. 595. Torrey, Fl. U. 8S. 896. Spreng. 
Syst. 2. 224. Don, Mill. 1. 649. Beck, Bot. 68. Spach, Il. ec. 178 & 118. Torr. 
& Gray, Fl. 1. 249 & 684. Eat. & Wr. 112. Curtis, Bot. N. Car. 51. 
Var. nigrum. Torr. & Gray, Fl.1. 248. Torrey, Fl. N. ¥Y. 1,186. Gray, Man- 
ual, 119. 
