Dryads

The Nymphs of the woods, the dryads live in trees and will die when their tree dies naturally or is destroyed. Some of them are Artemis' attendants, and some follow Dionysius in his drunken reveries. One dryad, Syrinx, was chased by the faun like god, Pan, and upon reaching a lake, called upon the Limniads for help. They changed her into some reeds, but Pan used these reeds to make the syrinx, more commonly known as the panpipes, which he continues to play merrily through the hills.