... Terry), probably about the southern limit of the species; Rhode Island and Connecticut, not reported. West through the northern sections of the northern tier of states to the Rocky mountains. ... the base, the measurements are made above the swell of the roots; when reinforced at the ground and also at the branching point, as often in the American elm, the measurements are made at the ... along the Merrimac valley to the White mountains and up the Connecticut valley to the mouth of the Passumpsic, reaching an altitude of 1000 feet above the sea level; Vermont,—common in the northern...