CATALOGUE OF FOREST TREES. 63 



Western Texas, San Saba to Devil's river (Buckley) ; 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. 



Wood 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. Leucsena pulverulenta, Bentham, 



Hooker's London Jour. Bot. iv, 417 ; Rev. Mini, in Trans. Linuican Soc. xxx, 443. Hemsley, Bot. Am.-Cent. i, 351. 

 Acacia pulverulenta, Schlechtendal in Linnasa, xii, 571. 

 Acacia esculenta, Martens & Galeotti in Bull. Acad. Brux. x 2 , 312. 



Southern Texas, valley of the lower Bio Grande ; southward into Mexico. 



A small tree, 6 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 ; Rev. Mim. in Trans. Linnaean 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. 



CAT'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 heavy, hard, very close-grained, compact ; layers of annual growth marked by one or two rows of 

 small 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' Rep. 11. Torrey in Sitgreaves' 'Rep. 158; Pacific R. R. Rep. vii, 10; Bot. Mex. Boundary 

 Survey, 61. Walpers, Ann. iv, 625. Bentham, Rev. Mim. in Trans. Linnaean Soc. xxx, 521. Cooper in Smithsonian Rep. 1860, 442. 

 Brewer & Watson, Bot. California, i. 164. Rothrock in Wheeler's Rep. vi, 108. Hemsley, Bot. Am.-Cent. 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 canons ; 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 arabic is produced by this species (Am. Jour. Pharm. Iii, 419). 



99. Acacia Berlandieri, Beutham, 

 London Jour. Bot. i, 522 ; Rev. Mim. in Trans. Linnaean Soc. xxx, 529. Walpers, Rep. 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 Proc. 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 trunk 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. 



