Phallus, an image of the penis, often as erect, to be found in various contexts, in particular (a) in certain rituals associated with fertility, notably Dionysiac *processions (see dionysus): see e.g. Ar. Ach.243 on the Attic rural Dionysia (see attic cults and myths), *Semos in Ath. 622b-c on groups of ‘ithyphallics’ and ‘phallus-bearers’, *Varro in Aug. Civ. 7. 21 ‘for the success of seeds’ at the Liberalia (see liber pater);(b) as a sacred object revealed in the Dionysiac *mysteries, as in the Villa of the Mysteries fresco at *Pompeii; *Iamblichus (2) (Myst. 1. 11) mentions it as a symbol of secret doctrine;(c) in the costume of comedy (see comedy (greek), old), *satyric drama, and various low theatrical genres; *Aristotle (Poet. 1449a11) says that comedy originated in phallic songs;(d) on permanent display, often as part of a statue such as those of *Priapus or the *herms identified with *Hermes;(e) as apotropaic: e.