the northern portion of Grey County, and throughout the 

 Bruce Peninsula. Reported from Foster's Flats, Niagara 

 Falls, by Macoun. 



Cystopteris bulbifera Bernh. Moist woods and on 

 rocks. Abundant throughout the province, with the ex- 

 ception of northern Ontario, where it is frequent. 



Cystopteris fragilis Bernh. Rocks and woods. Com- 

 mon throughout the province. 



Cystopteris montana Bernh. Very rare. Reported as 

 growing in a cedar swamp north of Current River, Lake 

 Superior, by Macoun. 



Onoclea sensibilis L. Wet woods and swales. Abun- 

 dant throughout the province. The form obtusilobata is 

 reported from Murray, Northumberland County, by 

 Macoun ; Sangeen, Bruce County, by P. J. Scott, and 

 Ottawa by Fletcher. 



Struthiopteris germanica Willd. Damp woods, swales 

 and stony streams. Common throughout the province, 

 except in northern Ontario, where it is frequent. 



Woodsia glabella R. Br. Moist, shaded rocks. Rare. 

 Reported from Red Rock, Algoma District, and Kaminis- 

 tiquia River and Nipigon River, Thunder Bay District, 

 by Macoun. 



Woodsia hyperborea R. Br. Moist, shaded rocks. 

 Rare. Reported from Michipicotin, Algoma District, and 

 along north shore of Lake Superior, west of Nipigon Bay, 

 and Jack Fish Island, Lake Nipigon, Thunder Bay Dis- 

 trict, by Macoun. 



Woodsia ilvenis R. Br. Dry rocks. Common in the 

 Laurentian region, but not reported from the limestone 

 region. Very abundant in northern Ontario. 



Woodsia oregana D. C. Eaton. Very rare. Reported 

 as growing on rocks at Lake Nipigon, Thunder Bay Dis- 

 trict, by Macoun. 



Dicksonia pilosiuscula Willd. Open woods and rocky 

 hillsides. Common locally as far north as Parry Sound 

 District. 



