Fig. 1. Pandanus tectorius and Tournefortia argentea, southeast end of Nake Island. This association occurs at the edge of Cocos forests and in open areas with Morinda. Fig. 2. Portulaca lutea Sol. in raised mud flats near north- west shore of Long Island. This species commonly is a pioneer on areas which are elevated above the high tide line on the mud flats. Areas toward the sandy shore are populated with Lepturus and Boerhavia.