TROPICAL REGI0N.This is characterized by the presence of gigantic Monocotyledons, palms, Musaceae and bamboos, and of evergreen polypetalous trees and figs.
Bamboos of the genus Oxytenanthera are indigenous.
There abound "beautifully laid out gardens, public and private, and solidly constructed roads, some of them bordered with bamboos and other delicately-fronded trees, and fringed with the luxuriant growth of semi-tropical vegetation."
The intermediate tract is a region of rich cultivation, dotted with great banyan trees, thickets of bamboos, exquisite palm foliage and mango groves.
Boreale) which should not be confounded with the Brazilian Caesalpinia, palo blanco (Lysiloma candida), the cascalote and divi-divi trees (Caesalpinia Cacalaco and C. coriaria), the "zapote chico " (Achras sapota) from which chicle is extracted, " zapote prieto " (Diospyros ebenaster), wild fig, myrtles, bamboos and many of the types already mentioned in connexion with the sub-tropical zone.