DePauw's landscape superindendent Aaron Slater (center) oversees Warren Maccaroni (right) plant an American Sycamore tree outside Mason Hall Thursday. The tree was the 22nd of 62 trees the university plans to plant in the coming weeks as a part of President Brian Casey's campus plan improvements. Chris Hayden (left) and Maccaroni work for IndyScape, the contracting company DePauw hired to plant the trees.