Note 1423 — Chapter XI · ORPHIC ESCHATOLOGY.
Reading edition
Dieterich, Abraxas, p. 97:
χαῖρε δὲ λευκὸν ὕδωρ καὶ δένδρεον ὑψιπέτηλον.
It is perhaps worth noting that in the Egyptian Book of the Dead (Vignette to Chapter LXIII. A.) the dead man receives water from a goddess in a tree growing out of a pool of water.