CATALOGUE OF FOREST TREES. 55 



LEGUMINOSJE. 



75. Eysenhardtia orthocarpa, Watson, 

 Proc. Am. Acad. xvii, 339. 



E. amorpholdes, var. orthocarpa, Gray in Smithsonian Contrib. Hi, 46; v,237. 

 E, amorphoides, Torrey, Bot. Mex. Boundary Survey, 51, in part. 



Western Texas, valleys of the upper Guadalupe and Eio Grande, west to the Santa Rita and Santa Catalina 

 mountains, Arizona (Pringle) ; southward into northern Mexico. 



A small tree, 5 to 6 meters in height, with a trunk 0.09 to 0.15 meter in diameter, or more often a low shrub; 

 dry, gravelly soil, reaching its greatest development near the summit of the Santa Catalina mountains, at 3,000 

 feet altitude. 



Wood heavy, hard, close-grained, very compact ; layers of annual growth clearly denned by numerous rows of 

 open ducts; medullary rays numerous, thin; color, light reddish-brown, sap-wood clear yellow; specific gravity 

 0.8740; ash, 1.28. 



76. Dalea spinosa, Gray, 



Mem. Am. Acad. new ser. v, 315; Ives' Rep. 10. Torrey, Pacific R. R. Rep. iv, 78; vii, 9, t. 3. Bot. Mex. Boundary Survey, 53. 

 Walpors, Ann. iv, 485. Cooper in Smithsonian Rep. 1858, 266. Watson in Proc. Am. Acad. xi, 132. Brewer & Watson, Bot. 

 California, i, 143. Hemsley, Bot. Am. -Cent. 249. 



Asagrcea spinosa, Baillon in Adansonia, ix, 232 ; Hist. PI. ii, 288. 



Colorado desert, southern California (Agua Calieute, Toras, etc.), and eastward to the valley of the lower Gila 

 river, Arizona. 



A small tree, sometimes 6 meters in height, with a short, stout trunk 0.45 to 0.50 meter in diameter (Parry, 

 Parish Brothers], or often a low shrub ; dry, gravelly, rocky soil. 



Wood light, soft, rather coarse-grained, containing many evenly-distributed open ducts; medullary rays 

 numerous, thin; color, walnut-brown, the sap-wood nearly white; specific gravity, 0.5536; ash, 4.04. 



77. Robinia Pseudacacia, Linnreus, 



Spec. 1 ed. 722. Marshall, Arbustum, 133. Wangenheim, Amer. 16, t. 7. L'Heritier, Stirp. Nov. 158. Walter, Fl. Caroliniana, 186. 

 Aiton, Hort. Kew. iii, 53 ; 2 ed. iv, 323. Giertner, Fruct. ii, 307, 1. 145. Willdenow, Spec, iii, 1131 ; Enum. i, 769. Michaux, Fl. Bor.- 

 Am. ii, 65. Nouveau Duhamel, ii, 60, t. 16. Poiret in Lamarck Diet, vi, 222; 111. iii, 163, t. 606. Persoon, Syn. ii, 311. 

 Desfontaines, Hist. Arb. ii, 302. Michaux f. Hist. Arb. Am. iii, 245, 1. 1 ; N. American Sylva, 3 ed. ii, 92, t. 76. Pursh, Fl. Am. Sept. 

 ii, 487. Eaton, Manual, 82; 6 ed. 306. Thomas in Am. Month. Mag. & Crit. Rev. ii, 90. Nuttall, Genera, ii, 118. Hayne, 

 Dend. Fl. 140. Elliott, Sk. ii, 242. De Candolle, Prodr. ii, 261. Sprengel, Syst. iii, 247. Torrey m Ann. Lye. N. York, ii, 

 178; Compend. Fl. N. States, 271; Fl. N. York, i, 165; Emory's Rep. 408. Hooker, Fl. Bor.-Am. i, 140. Audnbon, Birds, t. 

 104. Don, Miller's Diet, ii, 237. Beck, Bot. 82. Spach, Hist. Veg. i, 258. Torrey & Gray, Fl. N. America, i, 294. London, 

 Arboretum, ii, 609, f. 305 & t. Eaton & Wright, Bot. 397. Bigelow, Fl. Boston. 3 ed. 295. Browne, Trees of America, 197. 

 Emerson, Trees, Massachusetts, 460 ; 2 ed. ii,522 & t. Griffith, Med. Bot. 238, f. 123. Dietrich, Syn. iv, 1053. Darlington, Fl. 

 Cestrica, 3 ed. 65. Darby Bot. S. States, 280. Cooper in Smithsonian Rep. 1858, 251. Chapman, Fl. S. States, 94. Curtis in 

 Rep. Geological Surv. N. Carolina, 1860, iii, 48. Lesquereux in Owen's 2d Rep. Arkansas, 356. Wood, Cl. Book, 319 ; Bot. & Fl. 

 95. Lemaire, 111. Hort. xii, t. 427. Porcher, Resources S. Forests, 188. Gray, Manual N. States, 5 ed. 131. Koch, Dendrologie, 

 i, 55. Verlot in Rev. Hort. 1873, 152 & f. Young, Bot. Texas, 226. Vasey, Cat. Forest Trees, 11. Ridgway in Proc. U. S. Nat. 

 Mns. 1882, 65\ 



Pseudacacia odorata, Mosnch, Meth. 145. 

 R.fragilis, Salisbury, Prodr. 336. 



LOCUST. BLACK LOCUST. YELLOW LOCUST. 



Alleghany mountains, Pennsylvania f Locust ridge, Monroe county, Porter) to northern Georgia; widely and 

 generally naturalized throughout the United States east of the Eocky mountains, and possibly indigenous in 

 northeastern (Crowley's ridge) and western Arkansas and the prairies of eastern Indian territory. 



A tree 22 to 25 meters in height, with a trunk 0.90 to 1.20 meter in diameter ; west of the Mississippi river 

 much smaller or often a low shrub 1.80 to 3 meters in height, reaching its greatest development on the western 

 slopes of the mountains of West Virginia. 



