The university's historic campus arboretum is a living laboratory A tree symbolizes history in the depth of its roots, growth in the number of rings in its trunk and the promise of the future in its foliage. Michigan State University's trees are a living, breathing part of the university's past, present and future. In 1873, William J. Beal, one of the first forestry faculty members in the country, established MSU’s campus arboretum. Today, this collection of trees is part of the oldest continuously operated university botanical gardens, bearing his name, in the United States. These trees ...