A bill to amend the act of March 4, 1927, to authorize the Secretary of Agriculture to accept and administer on behalf of the United States gifts or devises of real and personal property for the benefit of the National Arboretum.

Authorizes the Secretary of Agriculture to accept and administer on behalf of the United States gifts, bequests, or devises of real and personal property for the benefit of the National Arboretum, such gifts, bequests, or devises to be treated as such under the Internal Revenue Code.