Right this way. Etidorpha is conducted through a forest of gigantic, mind-altering fungi. Mike Potts on Flickr // Etidorhpa, or, the end of the earth: the strange history of a mysterious being and the account of a remarkable journey is the title of a scientific allegory or science fiction novel by John Uri Lloyd, a pharmacognocist and pharmaceutical manufacturer of Cincinnati, Ohio. Etidorhpa was published in 1895. The word "Etidorhpa" is the backward spelling of the name "Aphrodite."