CATALOGUE OF FOREST TREES. 175 



P. angulata, Aitou, Hort. Kew. Hi, 400; -I ed. v, 396. Nouveau Diihauiel, ii, 186. Desfontaiues, Hist. Arb. ii, 466. 

 Willdeuow, Spec, iv, 805; Eiium. 1017 ; Bcrl. Baumz.294. Michuux t'. Hist. Arb. Am. iii, 302, t. 12 ; N. American Sylva, 

 :: ed. ii, 161, t. 94. Pnnsh. Fl. Ann. Sept. ii, (ill). Eaton, Manual, 117; (> ed. 27T. Nuttall, Genera, ii, 239. James iu 

 Long's Expert, ii, Ki4. Torroy in Ann. Lye. N. York, ii, '.M9. Elliott, .Sk. ii, 711. Sprengel, Syst. ii, 244. London, 

 Arboretum, iii, 1670, 1533 & t. Eaton & Wright, Bot. 370. Spach in Ann. Sci. Nat. 2 ser. xv, 321; Hist. Veg. x, 391. 

 Seringe in Fl. ilcsJard. ii,64. Scheele in lin-mer, Texas, 446. Darby, Bot. S. States, ,")(I7. Cooper in Smithsonian Rep. 

 1S58, 257. Chapman, Fl. S. States, 431. Lesquereux iu Owen's 2d I?ep. Arkansas, 389. Wood, Cl. Book, 655; Bot. & 

 Fl. 311. Gray, Manual N. States, 5 ed. -107. Wisuuel in De Candolle, 1'rodr. xvi-, 328. Koch, Dendrologie, ii, 494. 

 Young, Bot. Texas, 514. Porter & Coulter, Fl. Colorado; Hayden's Surv. Misc. Tub. No. 4, 129. Vascy, Cat. Forest 

 Trees, 29., Sears in Bull. Essex lust, xiii, 182. 



P. kevigata, Aiton.Hort. Kew. iii, 406; 2 ed. v,395. Willdenow, Spec. iv,603. Pursh, Fl. Am. Sept. ii,619. Poiret, Suppl. 

 iv, 378. Nuttall, Genera, ii,239; Sylva, i, 54; 2 ed. i,70. Spreugel, Syst. ii, 244. Beck, Bot. 323. Eaton, Manual, 6 

 t ,,l -J7H. Loddiges, Cat. ed. 1836. Eaton & Wright, Bot. 370. Emerson, Trees Massachusetts, 246 ; 2 ed. i, 283. 



P. glandulosa, Mcrnch, Meth. 339. 



P. an(/1l1osa. Miebaux, Fl. Bor.-Am. ii,243. 



P. CunadenxiXj Miebaux f. Hist. Arb. Am. iii, 302, 1. 12; N. American Sylva, 3 ed. ii, 164, t. 95. Spach in Ann. Soi. Nat. 2 ser. 

 xv, 32 ; Hist. Veg. x, 390. Seringe in Fl. des Jard. ii, 65. Fescali, Forst. Pfl. 122, t. 8, f. 10-14. Wood, Bot. & Fl. 311. 

 Wcsnuel in De Candolle, Prodr. xvi-', 329. Koch, Dendrologie, ii, 491. 



P. Virginiana, Du Mont, Cours. Bot. Cult, vi, 400. 







P. Marylandica, Bosu in Nouv. Diet, xi, 409. Poiret, Suppl. iv, 378. Sprengel, Syst. ii, 244. 

 P. macrophylla, Loddiges, Cat. ed. 1836. 



P. Lindleyana, P. neglccta. and P. Icevigata, Hort. 



COTTONWOOD. NECKLACE POPLAR. CAROLINA POPLAR. BIG COTTONWOOD. 



Shores of lake Chaniplain, Vermont, south through western New England to the Chattahoochee region of 

 wesrtern Florida, west along the northern shores of lake Ontario to the eastern base of the ranges of the Eocky 

 mountains of Montana, Colorado, and New Mexico. 



A large tree, 24 to 51 meters in height, with a trunk 1.20 to 2.40 meters in diameter ; low, moist soil ; the common 

 cottouwood of Texas and the western plains, bordering all streams flowing east from the Eocky mountains. 



Wood very light, soft, not strong, close-grained, compact, liable to warp in drying, difficult to season ; medullary 

 rays numerous, obscure; color, dark brown, the thick sap-wood nearly white; specific gravity, 0.3889; ash, 0.96; 

 largely used in the manufacture of paper-pulp, for light packing-cases, fence boards, and fuel. 



325. Populus Fremontii, Watson, 

 Proc. Am. Acad, x, 350 ; Am. Jour. Sci. 3 ser. xv, 136 ; Bot. California, ii, 92. 



P. monilifera, Newberry iu Pacific R. R. Rep. vi, 327 [not Aiton]. Watson in King's Rep. v, 327 ; PI. Wheeler, 17. Torrey, 

 Bot. Wilkes Exped. 469. 



COTTONWOOD. 



California, valley of the upper Sacramento river, south to San Bernardino county (Colton, Parry), and eastward 

 in Nevada and Utah. 



A large tree, 24 to 30 meters in height, with a trunk 1.20 to 1.80 meter in diameter; borders of streams; the 

 common cottonwood of the valleys of central California. 



Wood light, soft, not strong, close-grained, compact, liable to warp in drying, difficult to season ; medullary 

 rays thin, .very obscure; color, light brown, the sap-wood nearly white; specific gravity, 0.4914; ash, 0.77. 



Var. Wislizeni, Watson, 

 Am. Jour. Sci. 3 ser. xv, 137 ; Bot. California, ii, 92 ; Proc. Am. Acad. xviii, 157. Rusby in Bull. Torrey Bot. Club, ix, 79. 



P. monilifera, Torrey in Sitgreaves' Rep. 172; Bot. Mex. Boundary Survey, 204 ; Ives' Rep. 27 [not Alton]. Bigelow in 

 Pacific R.R. Rep. iv,21. 



COTTONWOOD. WHITE COTTONWOOD. 



San Diego county, California, through Arizona and New Mexico to western Texas and southern Colorado. 



A large tree, 24 to 30 meters in height, with a trunk 1.20 to l.SO meter in diameter; borders of streams; the 

 prevalent cottonwood of the arid southwestern region, there largely planted as a shade tree and for fuel. 



Wood light, soft, not strong, compact; specific gravity, 0.4621; ash, 1.13; furnishing the ordinary domestic 

 fuel of the region. 



