Isoetes Engelmanni A. Br. Abundant along the Susquehanna river in Broome and Tioga counties, Clute. New York City, Buchheister.
Isoetes macrospora Durien. Catskill Mts., Schweinitz, according to A. A. Eaton. (I. lacustris paupercula Engelm.) Rare.
Lycopodiaceae.
Lycopodium alopecuriodes L. Babylon, L. I., Clute. Rare.
Lycopodium alopecuroides adpressum Chapm. Babylon, L. I., Clute; Forbell’s Landing, L. I., M. Zimmerman. Rare.
Lycopodium alopecuroides f. polyclavatum McDonald. Staten Island, Clute. Rare.
Lycopodium annotinum L. Damp woods. Rather scarce, especially in western part of State.
Lycopodium annotinum pungens Spring. Summits of Mt. Marcy and Mt. McIntyre, Professor Peck.
Lycopodium clavatum L. Common Club Moss. Abundant in open woods and thickets. The var. monastachyon Hook. was found on Bald Mt., Fulton Chain, by Dr. Haberer.
Lycopodium complanatum flabelliforme, Fernald. Common.