Bidens cernua (bur-marigold), 1853, West Branch.
Ranunculus acris (buttercups), abundant at Smith’s dam, Chesuncook, 1853.
Rubus triflorus (dwarf raspberry), low grounds and swamps, common.
Utricularia vulgaris* (greater bladderwort), Pushaw.
Iris versicolor (larger blue flag), common, Moosehead, West Branch, Umbazookskus, etc.
Sparganium (bur-reed).
Calla palustris (water-arum), in bloom July 27, 1857, Mud Pond Swamp.
Lobelia cardinalis (cardinal-flower), apparently common, but out of bloom August, 1857.
Cerastium nutans (clammy wild chickweed) (?).
Gaultheria procumbens (checkerberry), prevailing everywhere in woods along banks of rivers.