. "Transf. : ulmorum Acheruns, the Acheron of elm-rods ; cf. ulmitriba: Falernae, i. e. Falernian vines , for Falernian wine" . "Transf. : ulmorum Acheruns, the Acheron of elm-rods ; cf. ulmitriba: Falernae, i. e. Falernian vines , for Falernian wine" . .