CATALOGUE OF FOREST TREES. . 51 



Acer Negundo, Linnaeus, Spec. 1 ed. 1050. Wangenheim, Amer. 30, t. 12, f. ^9. Marshall, ArbuBtum,2. Liiuiiuok, Diet, ii, 

 380. Walter, Fl. Caroliniana, 250. Alton, Hort. Ke^v. iii, 436; 2ed. v, 448. Michaux, Fl. Bor.-Am. ii, 253. Persoon, 

 Syn. i, 418. Desfontaines, Hist. Arb. i,391. Willdenow, Spec, iv, 992; Ennm. ii, 1046. Xouveau Duhamel, iv, 27, t. 

 7. Trattinick, Archiv. i, t. 40. Michaux f. Hist. Arb. Am. ii, 247, 1. 18 ; N. American Sylva, 3 od. i, 172, t. 46. Pursh, 

 Fl. Am. Sept. i, 268. Hayno, Dend. Fl. 216. Elliott, Sk. i, 452. James in Long's Exped. ii, 69. Torrey, Fl. U. S. 

 298; Corapend. Fl. N. States, 170; Ann^ Lye. N. York, ii, 172; Emory's Rep. 407. Sprengel, Syst. ii, 225. Guimpel, 

 Otto & Hayne, Abb. Holz. 119, t. 95. Eaton, Manual, 6 ed., 2. Dietrich, Syn. ii, 1283. Loudon, Arboretum, i, 

 460, t. 46, 47. Darby, Bot. S. States, 365. Bucheuau in Bot. Zeit. xiv, 285, t. 11 & figs. Koch, Dcndrologie, i, 

 ^544. Baillon, Hist. PI. v, 374, f. 426. 



Kegundium fraxinifoKlim, Eafinesqne, Med. Rep. V, 354. Dfsvaux, Jour. Bot. v, 170. 



Negundo fraxinifolium, Nuttall, Genera, i, 253. De Candolle, Prodr. i, 596. Hooker, Fl. Bor.-Am. i, 114 ; Jpur. Bot. i, 

 200. Don, Miller's Diet, i, 651. Beck, Bot. 64. Spach, Hist. Veg. iii, 119. Eafinesqne, New Fl. & Bot. i, 48. Browne, 

 Trees of America, 106. Seheele in Ecemer, Texas, 433. Schnizlein, Icon. t. 227, f. 2, 18. 



T N. Mexicanum, De Candolle, Prodr. i, 596. Hemsley, Bot. Am. -Cent, i, 214. 



If. trifoliatum, Eafinesqne, New Fl. & Bot. i, 48. 



If. lobatum, Rafiuesque, New Fl. & Bot. i, 48. 



N. Cali/ornicum, Seheele in Ecemer, Texas, 433 [not Torrey & Gray]. 



BOX ELDER. ASH-LEAVED MAPLE. 



t 



Shores of the Winooski river and lake Champlain, Vermont, near Ithaca, Isew York, eastern Pennsylvania, 

 and south to Hernando county, Florida (not detected in northeastern Florida) ; northwest through the lake region of 

 the United States and Manitoba to the Dog's Head, lake Winnipeg, and along the southern branch of the Saskatchewan 

 to the eastern base of the Eocky mountains; west in the United States to the eastern slopes of the Eocky 

 mountains of Montana, through Colorado to the Wahsatch mountains, Utah; southwest through the basin of the 

 Mississippi river, western Texas, and New Mexico to the Mogollon mountains, eastern Arizona; southward into 

 Mexico. 



A tree 15 to 22 meters in height, with a trunk 0.60 to 0.90 or, exceptionally, 1.20 meter in diameter; moist 

 soil, borders of streams, etc. ; in the Eocky Mountain region in high valleys, between 5,000 and 0,000 feet elevation ; 

 one of the most widely distributed trees of the American forest, reaching its greatest development iu the valleys 

 of the Wabash and Cumberland rivers. 



Wood light, soft, not strong, close-grained, compact ; medullary rays numerous, thin ; color, creamy-white, 

 the sap-wood hardly distinguishable; specific gravity, 0.4328; ash, 1.07; occasionally used in the interior finish of 

 houses, for woodenware, cooperage, and paper-pulp. 



Small quantities of maple sugar are sometimes obtained from this species. 



68. Negundo Californicum, Torrey & Gray, 



Fl. N. America, i, 250, 684. Hooker & Arnott, Bot. Beeehey, 327, t. 77. Eaton & Wright, Bot. 327. Walpers, Rep. i, 410. Bentham, 

 PI. Hartweg. 301. NnttaU, Sylva, ii, 90, t. 72 ; 2 ed. ii, 37, t. 72. Cooper in Smithsonian Rep. 1858, 258, in part. Koch, Dendrologie, 

 i, 545. Brewer & Watson, Bot. California, i, 108. Vasey, Cat. Forest Trees, 10. Nicholson in London Gard. Chronicle, 1861, 815. 



Acer Californicum, Dietrich, Syn. ii, 1283. 



N. aceroides, Torrey in Pacific R. R. Rep.iv,74; Bot. Mex. Boundary Survey, 47; Bot. Wilkes Exped. 259 [not Mcench]. 

 Bolander in Proc. Caltfomia Acad, iii, 78. 



BOX ELDER. 



California, valley of the lower Sacramento river (Sacramento, and in Marin and Contra Costa counties), 

 southward in the interior valleys of the Coast ranges to about latitude 35, caSons of the western slopes of the San 

 Bernardino mountains {Parish Brothers). 



A small tree, 6 to 12 meters in height, with a trunk 0.30 to O.CO meter in diameter; borders of streams. 



Wood light, soft, not strong, close-grained, compact; medullary rays numerous, thin; color, nearly white, or 

 slightly tinged with yellow; specific gravity, 0.4821; ash, 0.54; occasionally used in the manufacture of cheap 

 furniture. 



