Pinus strobus (white pine), scattered along, most abundant at Heron Lake.
Pinus resinosa (red pine), Telos and Grand Lake, a little afterwards here and there.
Abies balsamea (balsam fir), perhaps the most common tree, especially in the upper parts of rivers.
Abies nigra (black or double spruce), next to the last the most common, if not equally common, and on mountains.
Abies alba (white or single spruce), common with the last along the rivers.
Pinus Banksiana (gray or Northern scrub-pine), a few on an island in Grand Lake.
Twenty-three in all (23).
2. Small Trees and Shrubs.
Prunus depressa (dwarf-cherry), on gravel bars. East Branch, near Hunt's, with green fruit, obviously distinct from the pumila of river and meadows.
Vaccinium corymbosum (common swamp blueberry), Bucksport.
Vaccinium Canadense (Canada blueberry), carries and rocky hills everywhere as far south as Bucksport.
Vaccinium Pennsylvanicum (dwarf-blueberry?), Whetstone Falls.
Betula pumila (low birch), Mud Pond Swamp.
Prinos verticillata (black alder, '57), now placed with Ilex by Gray, 2d ed.
Cephalanthus occidentalis (button-bush).
Prunus Pennsylvanica (wild red cherry), very common at camps, carries, &c., along rivers; fruit ripe August 1, 1857.
Prunus Virginiana (choke-cherry), river-side, common.
Cornus alternifolia (alternate-leaved cornel), West Branch, 1853.
Ribes prostratum (fetid currant), common along streams, on Webster Stream.
Sambucus Canadensis (common elder), common along riversides.
Sambucus pubens (red-berried elder), not quite so common, roadsides toward Moosehead, and on carries afterward, fruit beautiful.
Ribes lacustre (swamp-gooseberry), swamps, common, Mud Pond Swamp and Webster Stream; not ripe July 29, 1857.
