Buckbean (quite common; in full bloom, May 31).
Black ash (common).
Asarum.
Polygonum aviculare (very common in streets and yards); convolvulus.
Sorrel.
Comandra.
Elm (common white), very common in large woods and by the river.
Elm, corky white, at Ha-ha Falls.
Elm, slippery, very common, and tall and slender, and large, longer-leaved than ours.
Celtis (?).
Laportea (?) Canadensis.
Butternut (quite common, tall and slender, in woods; also a hickory).
White oak (one): swamp white oak (?); scarlet oak (common); red not very rare; common near Lake Calhoun.
Corylus Americana (very common in oak openings).
Ostrya (very common and large, almost prevailing in some woods).
Canoe birch common; yellow do. rare.
Salix; tristis (very common in oak open-
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