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rock, in Frontenac County, by C. J. Young, and on Huro- 

 nian slates, near Michipicotin, Algoman District, by 

 Macoun. 



Pellaea atropnrpurea Link. Dry limestone cliffs. Fre- 

 quent throughout the Limestone region and common 

 locally. 



Pellaea densa Hook. Limestone rocks. Reported only 

 from Durham, Grey County, by H. M. Ami. 



Woodwardia virginica J. E. Sm. Swamps. Scarce, but 

 widely distributed over the province as far north as 

 Muskoka. 



Asplenium viride Huds. Moist, mossy, shady lime- 

 stone rocks. Rare. Reported from Tabermory, Bruce 

 County, by P. J. Scott; Inglis Falls, Grey County, by 

 Macoun ; Crecht Forks, Peel County, by White ; and 

 found by the writer on Flower Pot Island, at the head of 

 the Bruce Penninsula, and at Rockwood, Wellington 

 County. 



Asplenium trichomanes L. Rocks. Frequent through- 

 out the province. 



Asplenium ruta-muraria L. Only known from Flower 

 Pot Island, at the head of the Bruce Peninsula, where it 

 was found by P. J. Scott. In August, 1905, the writer 

 visited the island and found the fern growing in moss on 

 dryish limestone rocks, but very scarce. 



Asplenium ebeneum Ait. Rocks and rocky woods. 

 Rare. Reported from Charleston Lake, Leeds County, 

 by C. J. Young; Brockville, Leeds County, by Billings; 

 Jones Falls, Leeds County, by P. J. Scott; Belleville, 

 Hastings County, by Macoun ; Niagara Falls, and Kings- 

 ton, Frontenac County, by Fowler, and Port Abino, Wel- 

 land County, by Day. 



Asplenium angustifolium Michx. Woods. Widely 

 distributed throughout the province as far north as Ot- 

 tawa, and common locally. 



Athyrium thelypteroides Desv. Woods. Frequent 

 throughout the province. 



Athyrium filix-fcemina Roth. Common throughout 

 the province. 



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