America and Mexico. 64 p., illus. (col.). Hargreaves Industrial, 

 Portland, Oreg. 

 Hume, Edward P. 



1949. Some ornamental vines for the tropics. U.S. Dep. Agric. Fed. 

 Exp. Stn. P.R. Circ. 31, 72 p., illus. Mayaguez, P.R. 

 Hume, Edward P. 



1951. Some ornamental shrubs for the tropics. U.S. Dep. Agric. Fed. 

 Exp. Stn. P.R. Circ. 34, 151 p., illus. Mayaguez, P.R. 

 Kennard, William C, and Harold F. Winters. 



1960. Some fruits and nuts for the tropics. U.S. Dep. Agric. Misc. Publ. 

 801, 135 p., illus. 

 Kennard, William C, and Harold F. Winters. 



1963. Frutas y nueces para el Tropico. 177 p., illus. Agencia para el 

 Desarrollo Internacional (A. I. D.), Centro Regional de Ayuda 

 Tecnica, Mexico. 



Little, Elbert L., Jr. and Frank H. Wadsworth. 



1964. Common trees of Puerto Rico and Virgin Islands. U.S. Dep. 

 Agric, Agric. Handb. 249, 548 p., illus. (maps). 



Little, Elbert L., Jr., Frank H. Wadsworth, and Jose Marrero. 

 1967. Arboles comunes de Puerto Rico y las Islas Virgenes. 827 p., 

 illus. (part col.). Editorial, Universidad de Puerto Rico, Rio Piedras, 

 Puerto Rico. 

 Little, Elbert L., Jr., Roy 0. Woodbury, and Frank H. Wadsworth. 

 1974. Trees of Puerto Rico and the Virgin Islands. Second volume. 

 U.S. Dep. Agric, Agric Handb. 449, 1,024 p., illus. 

 Pertchik, Bernard, and Harriet Pertchik. 



1951. Flowering trees of the Caribbean: 30 paintings . . . introduction 

 by William C. White. 125 p., illus. (col.). Rinehart, New York. 

 Smith, Robert Ford. 



1970. Preliminary illustrated leaf key to the woody plants of the 

 Luquillo Mountains. P. B-275-290, illus. In Odum, Howard T., and 

 Robert F. Pigeon, eds. A tropical rain forest: a study of irradiation 

 and ecology at El Verde, Puerto Rico. U.S. Atomic Energy Comm., 

 Washington, D.C. 



Rhode Island 



See also: Blakeslee, A. F., and C. D. Jarvis 1975 G; Foulds, R. T. [n.d.] 

 G; Hibbard, John E. 1965 Conn.; Steele, Frederick L., and Albion R. 

 Hodgclon 1968 G. 



Russell, Levi W. 



1900. The native trees of Rhode Island. R.I. State Board Agric. Ann. 

 Rep. 15 (1899): 128-160, illus. 



44 



