Join in the Arbor Day celebration on Friday, April 24 at 11 a.m. at the Nannen Arboretum. The Town of Ellicottville Supervisor, John Burrell, and the Village of Ellicottville Mayor, Charlie Coolidge, will make a proclamation declaring April 24, 2015 as Arbor Day in Ellicottville, and a treewill be planted by the Nannen Arboretum Society and the Tree City USA flag will be raised.