Bonam quaestionem. Bacchis servit positi participium adjectivum, ut opinor, id est, nominativo casu pluraliter bacchi.
"Then when wines [Bacchi] are given to you, set down as offerings,
And a woman is on part of the next couch/cushion,
Ask father Nyctelius and holy things of the night
to command that the wines not harm your head."
I'm writing in Latin hoping for correction, and not because I'm confident in how I express myself. Latinè scribo ut ab omnibus corrigar, non quod confidenter me exprimam.