Dave Hall, grounds and special events manger, stands in front of an old elm tree planted along College Row. Wesleyan once had hundreds of elms on its property, and now only a few remain. The rest have fallen prey to old age or disease. Posted 09/09/05 When Dave Hall takes a daily stroll across Wesleyans campus, he has no destination in mind. He simply enjoys the luscious landscape. It is, after all, his masterpiece. As manager of Wesleyans grounds and events, every tree, shrub, flower garden and grassy knoll is part of his canvas. Most people walk through campus…