Cook, Arthur B.: Zeus: a study in ancient religion (Band 2,1): Zeus god of the dark sky (thunder and lightning): Text and notes (Cambridge, 1925)

Diana-PiUars

decked with garlands and contains a palm-tree and a pillar. To the right of the bridge
yet another sacred tree with its pillar and jar rises from an enclosure of jpeculiar shape
(three columns and a back-wall support an architrave, of which two sides are concave, the
third convex).

Another good example of the gateway erected over a sacred tree is Le pitture antiche
cPErcolano Napoli 1762 iii. 281 ff. pi. 53, H. Roux—M. L. Barre Herculanum et Pompei