—99— 



Rather common in the southern section. Not seen from 

 the northern. 



Botrychium obliquum diss ec turn Clute. Frequent in 

 the southern section. 



Botrychium obliquum intermedium Underw. Occa- 

 sional. 



Botrychium lanceolatum Angs. Lance-leaved Grape 

 Fern. Found throughout the State, but not common. 



Botrychium Virginianum Swartz. Rattlesnake 

 Fern. Throughout the State, and common especially in 

 the northern portion. 



OSMUNDACE,^. 



Osmunda regalis L. Royal Fern. Common through- 

 out. 



Osmunda cinnamomea L. Cinnamon Fern. Very 

 common. 



Osmunda Claytoniana L. Interrupted Fern. 

 Throughout the State, but not as abundant as the two 

 other species. 



POLYPODIACEyE. 



Onoclea sensibilis L. Sensitive Fern. Common in 

 all parts of the State. 



Onoclea struthiopteris Hoffm. Ostrich Fern. 

 Throughout the State. Frequent. 



Woodsia Ilvensis R Br. Rusty Woodsia. Frequent 

 throughout the State on rocky hills and cliffs. 



Woodsia glabella R Br. Moxie Falls, Township No. 

 I East of the Kennebec, Fifth range of Bingham's Pur- 

 chase, Somerset Co. (J. F. Collins). The only station. 



Woodsia obtusa Torr. Common Woodsia. About 

 Mt. Pisgah, Winthrop. (H. Metcalf). 



Dicksonia pilosiuscula Willd. Boulder Fern. Abun- 



