CATALOGUE OF FOREST TREES. 63 



Western Texas, San Saba to Devil's river (Buciley) ; southward into Mexico ; semi-tropical Florida (introduced, 

 Curtiss), and through the West Indies. 



A small tree, 7 to 9 meters in height, with a trunk 0.10 to 0.15 meter in diameter, or often a tall or, in Florida, 

 low shrub, sending up many stems from the ground. 



Woo<l heavy, hard, close grained, compact, containing many small, regularly-distributed open ducts; layers of 

 annual growth and medullary rays hardly distinguishable; color, rich brown streaked with red, the sap-wood clear 

 yellow; specific gravity, 0.9235; ash, 3.29. 



96. Leucaena pulverulenta, Bentliam, 

 Hookers Loudon Jour. Bot. iv, 417; Eev. Mini, in Trans. Linnsean Soc. xxx, 443. Hemsley, Hot. Am.-Cent. i, 351. 

 Acacia pulverulenta, Schlechtendal in Linnaea, xii, >'i71. 

 Acacia esculenta, Martens & Galeotti in Bull. Acad. Brax. x', 312. 



Southern Texas, valley of the lower Eio Grande ; southwaid into Mexico. 



A small tree, G to 8 meters in height, with a trunk 0.10 to 0.15 meter in diameter, often forming dense 

 thickets; rich, sandy loam. 



Wood heavy, hard, very close-grained, compact, containing many small, regularly- distributed open ducts; 

 medullary rays very numerous, thin, conspicuous; color, rich dark brown, the sap-wood clear yellow; specific 

 gravity, 0.6732 ; ash, 1.01. 



97. Acacia Wrightii, Bentham, 



Smithsonian Contrib. iii, 64 ; Eev. Mini, in Trans. Linnsean Soc. xxx, ."521. Gray, Smithsonian Contrib. v, 53. Walpers, Ann. iv, 626. 

 Torrey, Bot. Mex. Boundary Survey, 161. Brewer & Watson, Bot. California, i, 61. Watson in Proc. Am. Acad, xvii, 351. 



oat's claw. 



Western Texas, valley of the Guadalupe river (New Braunfels), westward and southward to the valley of the 

 Eio Grande; in northern Mexico. 



A small tree, rarely 9 meters in height, with a trunk sometimes exceeding 0.30 meter in diameter, or often a 

 low, much-branched shrub. 



Wood very heavj^, hard, very close-grained, compact ; layers of annual growth marked by one or two rows of 

 Bmall open ducts, and containing many scattered smaller ducts; medullary rays hardly distinguishable; color, 

 bright, clear brown streaked with red and yellow, the sap-wood clear yellow; specific gravity, 0.9392; ash, 0.63. 



98. Acacia Greggii, Gray, 



Smithsonian Contrib. iii, 65; v, 53; Ives'Eep. 11. Torrey in Sitgreaves' Eep. 158; Pacific E. E. Eep. vii, 10; Bot. Mex. Boundary 

 Survey, 61. Walpers, Ann. iv, 625. Bentham, Eev. Mim. in Trans. Liiinsean Soc. xxx, 521. Cooper in Smithsonian Eep. 1860, 442. 

 Brewer & Watson, Bot. California, i. 164. Eothrock in Wheeler's Eep. vi, 108. Hemsley, Bot. Am.-Cont. i, 353. James in Am. 

 Nat. XV, 981. 



cat's claw. 



Western Texas, valley of the Eio Grande, westward through southern New Mexico and Arizona to San Diego, 

 California; southward into northern Mexico. 



A low, much-branched tree, sometimes 9 meters in height, with a trunk rarely 0.45 meter in diameter, or often 

 a shrub ; dry mesas and in low caiions ; common ; the large specimens generally hollow and defective. 



Wood heavy, exceedingly hard, strong, brittle, close-grained, compact; layers of annual growth marked by 

 numerous rows of rather large open ducts; medullary rays numerous, thin; color, rich brown or red, the sap-wood 

 light yellow; specific gravity, 0.8550; ash, 0.91 ; used for fuel. 



A resinous gum resembling gum arable is produced by this species {Am. Jour. Pharm. Iii, 4:19). 



99. Acacia Berlandieri, Bentham, 

 honAoD Jonr. Bot. i, 522 ; Eev. Mim. in Trans. Linnieau Soc. xxx, 529. Walpers, Eep. i, 919. Dietrich, Syn. iv, 500. 



A. tephroloba, Gray in Smithsonian Contrib. iii, 65; v,54. Walpers, Ann. iv,625. Torrey, Bot. Mex. Boundary Survey, 

 61. Hemsley, Bot. Am.-Cent. i,352. Watson in Pioc. Am. Acad, xvii, 351. 



Southern Texas, valley of the Nueces (La Salle county) to Devil's river ; southward into Mexico. 

 A small tree, sometimes 6 to 8 meters in height, with a truuk 0.15 to 0.20 meter in diameter, or more often a 

 tall shrub, sending up many .stems from the ground; the large specimens usually hollow and defective. 

 Wood not examined. 



