581.972
Car
B
 Carnegie institution of Washington. 
   Botany of the Maya area; miscallaneous papers I-XXI.
 Washington, Carnegie institution of Washington 1936-40
   2 v. illus. 25 cm. (Its Publication no 461, 522)

   Bibliografía: p. [v.2] p 55-57. 
                Falta v.2.