A series of eight donated watercolors will take one of Maine’s most popular lumber museums into a new era. “In order to grow we need to branch out and we are testing the waters,” said Dottie Tucker, the Patten Lumbermen’s Museum’s new executive director. The lumbermen’s story during a tumultuous time comes to life in artist and former logger Roger Ryder’s paintings, reflecting his days of living in the woods at Telos Camp near Chamberlain Lake i…