Fagus ferruginea (American beech), not uncommon, at least on the West Branch. (Saw more in 1846.)
Betula papyracea (canoe birch), prevailing everywhere and about Bangor.
Betula excelsa (yellow birch), very common.
Betula lenta (black birch), on the West Branch in 1853.
Betula alba (American white birch), about Bangor only.
Ulmus Americana (American or white elm), West Branch and low down the East Branch, i. e. on the lower and alluvial part of the river, very common.
Larix Americana (American or black larch), very common on the Umbazookskus; some elsewhere.
Abies Canadensis (hemlock spruce); not abundant; some on the West Branch, and a little everywhere.
Acer saccharinum (sugar maple), very common.
Acer rubrum (red or swamp maple), very common.