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All along the beach here, and in the adjacent strip of sandy lowland, is a remarkable display of Pandanaceae or Screw-pines. Some are like huge branching candelabra, forty or fifty feet high, and bearing at the end of each branch a tuft of immense sword-shaped leaves, six or eight inches wide, and as many feet long.

Ferns, Pandanaceae, shrubs, creepers, and even forest trees, are mingled in an evergreen network, through the interstices of which appears the white limestone rock or the dark holes and chasms with which it abounds. These precipices are enabled to sustain such an amount of vegetation by their peculiar structure.

In the forests of Ke, arboreal Liliaceae and Pandanaceae abound, and give a character to the vegetation in the more exposed rocky places. Flowers were scarce, and there were not many orchids, but I noticed the fine white butterfly-orchis, Phalaenopsis grandiflora, or a species closely allied to it.

What our hunters saw was neither more nor less than a grove of Tagua trees better known as the "vegetable ivory." This singular tree was for a long time regarded as a plant of the Oycas family; and by some botanists it has been classed among the Pandanaceae, or screw-pines.