Basilica of the Holy Cross: ""Tree of Life and Last Supper", about 1350, by Taddeo Gaddi, detached fresco. Subjects: The Last Supper dominated by the Crucifixion, the Stigmata of St. Francis and sacred stories related to food that recall the use of the environment as a canteen for the friars. The Cross is a tree whose twelve branches bear medallions with prophets.