28 FOREST TREES OF NORTH AMERICA. 



WHITE BASS WOOD. WAHOO. 



MonntaJDH of Pennsylvania, southward along the Alleghany monntains to northern Alabama and Florida 

 (valley of the Apalachicola river, opposite Chattahoochee, Mohr), west to middle Tennessee and Kentucky, southern 

 Indiana, and southern and central Illinois (valley of the Illinois river). 



A tree 15 to 20 meters in height, with a trunk 0.60 to 1.20 meter in diameter; rich woods and river bottoms, 

 often on limestone; most common and reaching its greatest development along the western slopes of the southern 

 Alleghany mountains and in middle Tennessee. 



Wood light, soft, not strong, close-grained, comt>act, easily worked; medullary rays numerous, obscure; color, 

 light brown, the sap-wood hardly distinguishable ; specific gravity, 0.4253 ; ash, 0.62 ; generally confounded with 

 that of Tilia Americana, and used for similar purposes. 



MALPIGHIACEJ]. 



10. Byrsonima lucida, HBK. 



Kov. Gen. & Spec, v, 147. De CandoUe, Prodr. i, 580. Jnssieu, Mod. Malpig. ii, 40. Walpers, Eep. t, 168. Richard, Fl. Cuba, 

 115, t. 28. Grisebach, Fl. British West Indies, 115. Chapman, Fl. 8. States, 82. 



Malpighia lucida, Swartz, Fl. Ind. Occ. ii, 852. 



TALLOWBEREY. GLAMBERRY. 



Semi-tropical Florida, on the southern keys (Boca Chica, No-Name Key, etc.) ; through the West Indies. 



A small tree, sometimes tJ to 8 meters in height, with a trunk 0.15 to 0.25 meter in diameter, or often branching 

 from the ground, and frutescent in habit. 



Wood light, soft, weak, close-grained, compact; medullary rays numerous, thin; color, light red, the sap-wood 

 a little lighter ; specific gravity, 0.5888 ; ash, 2.46. 



Fruit edible. 



ZYGOPHYLLAOEiS. 



i 



20. Guaiacum sanctum, Linnajua, 



Spec. 1 ed. 382. De CandoUe, Prodr. i, 707. Nuttall, Sylva, ui, 16, t. 86 ; 2 ed. ii, 86, t. 86. Gray, Genera, ii, 123, t. 148. Schnizlein, 

 Icon. t. 253, f. 21. Cooper in Smithsonian Rep. 1858, 264. Grisebach, Fl. British West Indies, 134. Chapman, Fl. S. States, 64. 

 Wood, Bot. & Fl. 67. Vasey, Cat. Forest Trees, 7. 



O.verticale, Richard, Fl. Cuba, 321. 



LIGNUM-VIT.S;. 



Semi-tropical Florida, Upper Metacombe and Lignum- Vitse Keys, common; Lower Mta<jombe and Umbrella 

 Keys, rare ; in the Bahamas, St. Domingo, Cuba, Porto Rico, etc. 



A low, gnarled tree, not exceeding, within the limits of the United States, 8 meters in height, with a trunk 

 sometimes 0.30 meter in diameter. 



Wood exceedingly heavy, very hard, strong, brittle, close-grained, compact, difiicult to work, splitting irregularly, 

 containing many evenly-distributed resinous ducts; medullary rays numerous, obscure; color, rich yellow-brown, 

 varying in older specimens to almost black, the sap-wood light yellow ; specific gravity, 1.1432 ; ash, 0.82 ; used in 

 turnery and for the sheaves of ships' blocks, for which it is preferred to other woods. 



Lignum Ouaiaci, (huaiacum wood, the heart of this and the allied G. officinale, Linnteus, formerly largely used in 

 the treatment of syphilis, is now only retained in the Materia Medica as aa ingredient in the compound decoction of 

 sarsaparilla. 



Ouaiac, the resinous gum obtained from these species, is astimulatiug diaphoretic and alterative, or in large doses 

 cathartic, and is still employed in cases of chronic rheumatism, gout, etc. {Fliickiger & Hanhury, Pharmacographia, 

 92. U. S. Dispensatory, 14 ed. 456. .^at. Dispensatory, 2 ed. 696. Ouihourt, Hist. Drogues, 7 ed. iii, 551. Berg, 

 Pharm. Anat. Atl. 53, t. 27). 



