Selaginellaceae.
Selaginella apus Spring. Wet banks and pastures. Uncommon. Cedar Lake, Herk. Co., Paine; borders of Rome swamps, Kneiskern; head of Oneida Lake, Haberer; Unadilla, Brown.
Selaginella rupestris Spring. On dry open rocks. Rather scarce. Little Falls, Paine; Adirondacks. Professor Peck; Washington Heights, W. W. Denslow. Plentiful in the extreme southeast, Clute.