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LYCOPODIACE^. 

 Lycopodiuin lucidulum, Michx. 

 Lycopodium dendroideum, Michx. 

 Lycopodium complanatum, L. 



No species of Lycopodium (or Ground Pine) has been seen 

 by us in the immediate vicinity of the Falls. Yet it is likely 

 that the three species here mentioned may be found, as they 

 are not rare elsewhere in Western New York. 



SELAGINELLACEiE. 

 Selaginella ruprestis, Spring Rock Selaginella 



Cliffs of Niagara River near the Devil's Hole. 



Selaginella Apus, Spring Selaginella 



Goat Island near the Horse-shoe Falls. Damp grounds on both 

 sides of the River above the Falls. 



Isoetes echinospora, Duiren Quill -wort 



var. Braunii, Englemann. 



Not seen by us; but occurring in the River above the Falls. 

 Clinton. 



HYDROPTERDDES. 



Marsilia quadrifola, L Marsilia 



Introduced into the Niagara River above the Falls and in a pool 

 near Lewiston. 



Azolla Caroliniana, Willd Azolla 



"At a saw-mill half a mile above the village." Niagara. Dr. 

 Bobbins. 



Note. — The unnamed species of Tilia, herein referred to seems to be 

 only a variety of Tilia Americana, L. July 26, 1888. 



