GIA3051812 Tree of Life, or Tree of the Cross, illustration from the \'Trivulziana Latin Bible\', c.1335-40 (tempera, gold leaf & ink on parchment) by Bonaguida, Pacino di (14th century); 37.7x26.4 cm; Biblioteca Trivulziana, Milan, Italy; (add.info.: The diagram was inspired by St. Bonaventure\'s Lignum vitae, a thirteenth-century text meant to aid the devout in conforming themselves to Christ through meditation on the events of his life, passion, and glorification.); 穢 Giancarlo Costa.