"—to give him the name by which he has generally been known in this country—compiled a work which is usually cited under its Latin title, ; in this treatise he included about five hundred plants. No contemporary version has survived; the only manuscript which we shall consider here is Byzantine, and dates from around 512. It was made for , a noble lady whose father, , had once been, for a brief space, Emperor of the West. Juliana, who lived into the age of , was renowned for her ardent Christian faith, and for the churches she built. It is probable that the manuscript associated with her name remained in during the first millennium of its history."