aaw_048 December 20, 2018February 5, 2019 Matthew Caulkins, Web Applications Program Manager Previous Next M-71. Malus pumila Massachusetts (Marshfield Hills). Livermore Estate. Tree 35 ft. trall, girth of trunk 10 ft., largest branches 6 ft. in girth, spread of crown 60 ft. Photograph by E.H. Wilson, June 1, 1924. All photographs by Ernest Henry Wilson. Copyright © President and Fellows of Harvard College, Arnold Arboretum Archives; all rights reserved.