The place meant is not the Church of the Resurrection in which the Service had been held, but the Anastasis or actual cave of the Resurrection, which Constantine had so enlarged by additional works that a discourse to the people could be held there: for Jerome (Epist. 61) relates that Epiphanius had preached in that place in front of the Lord’s sepulchre to clergy and people in the hearing of John the Bishop (Ben. Ed.).