aaw_031 December 20, 2018February 5, 2019 Matthew Caulkins, Web Applications Program Manager Previous Next M-51. Juglans nigra Massachusetts (Saugus). Parker on Cheever walnut on Central Street. 65 ft. in height, girth of trunk 13 1/2 ft. Photograph by E.H. Wilson, April 12, 1924. All photographs by Ernest Henry Wilson. Copyright © President and Fellows of Harvard College, Arnold Arboretum Archives; all rights reserved.