15. Merker, C. \., Barbour, W. R., Scholten, J. A., and Dayton, W. A. 
19U3. The Forests of Costa Rica. U. S. Forest Service, Washington, 
U8 p. 
16. Pfeiffer, J. Ph. 
1926. De Houtsoorten van Suriname. Amsterdam. 2UU p. 
17. Record, S. J. 
1938. The American Woods of the Family Euphorbiaceae. Tropical Woods 
5li:7-hO(25-26)(with key). 
18. Record, S. J. and Hess, R. V. r . 
19h3. Timbers of the New V.'orld. Yale Press, New Haven, Conn., p. 160. 
19. Record, S. J. and Mell, C. D. 
I92J4. Timbers of the Tropica America. Yale Press, New Haven, Conn., 
p. 37U-77- 
20. Standley, P. C. 
1923. Trees and Shrubs of Mexico. Contrib. U. S. Natl. Herbarium 
(Washington). 23, Pt, 3:6U5-U6. 
21. Standley, Paul C. 
1927. Poisonous Trees of Central America. Tropical Woods 9*3-7, Mar. 
22.- Standley, Paul Co. 
1928. Flora of the Panama Canal Zone. Contrib, U. S. Natl. 
Herbarium (Washington). 27:l-iil6, Jan. 
23. Standley, Paul C. 
1937- Flora of Costa Rica. Field Mus. Nat. Hist. (Chicago), Bot. 
1938 Series 18:1-1616. 
2lt. Williams, Llewelyn 
1936. Wood of Northeastern Peru. Field Mus. Nat. Hist. (Chicago), 
Bot. Series 15:1-587, Dec. 
25. Williams, Llewelyn 
1939. Maderas Economicas de Venezuela. Bol. Tech. No. 2, Ministerio 
de Agri. & Cria. Caracas, 97 p. 
26. Williams, Llewelyn 
19li2. Exploraciones Botanicas en la Guyana Venezolana. Servicio 
Botanico, Ministerio de Agri. & Cria, Caracas, I168 .p. 
27. Wolcott, George N. 
I9I4O. A List of Woods Arranged According to Their Resistance to the 
Attack of the "Polilla," the Dry-wood Termite of the West 
Indies (C ryptotermes brevis Walker). Caribbean Forester 
l:Ii:l-9, July. 
UNIVERSITY OF FLORIDA 
Kept. No. R1902 -8- 
3 1262 08927 3576 
