text:  Again when Arcite liberated by the intervention of Pirithous has returned and is living unrecognized in the service of Theseus it is precisely upon the same occasion of going into the wood to gather "grenes" for May morning that he falls in with Palamon who has the night before broken prison and hides himself during the day in the forest--which encounter leads to their set encounter in arms the next day and so to the interruption of their duel by Theseus himself and so to all the consequent course of events