aaw_036 December 20, 2018February 5, 2019 Matthew Caulkins, Web Applications Program Manager Previous Next M-56. Pinus strobus Massachusetts (Abington). Island Grove. Famous for the speeches made in abolition of slavery, 1846-65. Photograph by E.H. Wilson, January 1924. All photographs by Ernest Henry Wilson. Copyright © President and Fellows of Harvard College, Arnold Arboretum Archives; all rights reserved.