Underwood : American ferns 205 



Connecticut : Known from one or two ponds in western 

 Connecticut. A fine series was collected by the writer some years 

 ago at Tyler Pond, in Goshen, which is now in the herbarium of 

 the New York Botanical Garden. 



Species excludenda 



Isoetes Harveyi A. A. Eaton, Fernwort Papers 1 1. 1900. (Type 



from Maine, Harvey?) 



Mr. Eaton now regards this as a variety of /. Tuckermani, and 

 we therefore exclude it from the list of species. 



Columbia University. 



