Coker, W. C., and H. R. Totten. 1945. Trees of the southeastern states. 3rd ed. 419 p. Univ. of N. C. Press, Chapel Hill. Collingwood, G. H., and W. D. Brush. 1974. Knowing your trees. Rev. by D. Butcher. 374 p. American Forestry Association, Washington, D.C. Correll, D. C., and M. C. Johnston. 1970. Manual of the vascular plants of Texas. Contributions from the Texas Research Foundation, Vol. 6. 1881 p. Texas Research Foundation, Renner, Texas. Fernald, M. L. 1950. Gray’s Manual of Botany. 8th ed. 1632 p. American Book Co., New York. Harlow, W. M. 1959. Fruit key and twig key to trees and shrubs. 106 p. Dover Publications, New York. Harlow, W. M., and E. S. Harrar. 1941. Textbook of dendrology covering the important forest trees of the United States and Canada. 2nd ed. 561 p. McGraw-Hill Book Co., New York and London. Harrar, E. S., and J. G. Harrar. 1946. Guide to southern trees. 712 p. Whittlesy House, McGraw-Hill Book Co., New York. Kurz, H., and R. K. Godfrey. 1962. Trees of northern Florida. 311 p. Univ. of Fla. Press, Gainesville. Little, E. L. 1953. Check list of native and naturalized trees of the United States (including Alaska). U.S. Dep. Agric., Agric. Handb. No. 41. 472 p. Muller, C. H. 1951. The oaks of Texas. Contributions from The Texas Research Foundation 1(3):21-311. Preston, R. J., Jr. 1961. North American trees. 2nd ed. 395 p. Iowa State Univ. Press, Ames (Reprinted 1970 by M.I.T. Press, Cambridge, Mass.). Sargent, C. S. 1922. Manual of the trees of North America (exclusive of Mexico). 2nd ed. 910 p. Houghton Mifflin Co., Boston and New York. (Reprinted by Dover Publications, New York). Small, J. K. 1933. Manual of southeastern flora. 1554 p. Published by author in New York. Staff of Forest Resources Research Work Unit 1976. Hardwood distribution on pine sites in the South. U. S. Dep. Agric. For. Serv. Resour. Bull. SO-59. 27 p. South. For. Exp. Stn., New Orleans, La. Vines, R. A. 1960. Trees, shrubs, and woody vines of the southwest. 1104 p. Univ. of Texas Press, Austin, Texas. Wharton, M. E., and R. W. Barbour 1973. Trees and shrubs of Kentucky. 582 p. Univ. Ky. Press, Lexington. GLOSSARY