Basilica of the Holy Cross: ""Tree of Life and Last Supper", about 1350, by Taddeo Gaddi, detached fresco. Detail of the Tree of Life and of the Crucifixion. The Cross is a tree whose twelve branches bear medallions with prophets. At the base, the Virgin, the pious women, St. John the Evangelist, St. Francis, St. Louis of Toulouse, St. Anthony of Padua and St. Dominic.