There were giant ceiba trees, with trunks as smooth as if they had been polished by human hands, tremendous cotton-trees, their branches bowed down with air plants, palms, to which clung clusters of wild nuts, thick, bulbous trees, taller trees with buttressed roots, as if Nature knew the strain that was to be placed upon them and braced them up accordingly, trees with bark like mirrors, and trees with six-inch spike growing from the bark.