1865.] CATALOGUE OF CANADIAN CRYPTOGAMS. 399 



Phegopteris (Mountain Polypody). 



In moist woods ; general, and common. A variable fern 

 sometimes running into var. (?) 



hexagonopteruni ( Winged Polypody), 



which is generally distributed from Montreal westward, 

 but is not common. 



Dryopteris (Three-branched Polypody*). 



In rocky woods ; general; and very common. 



Struthiopteris 



Germanica (Ostrich-fern). 



In rich moist grounds ; general ; common near Montreal 

 and westward — apparently less so eastward. [More 

 properly Onoclea Struthiopteris]. 



Allosorus (The Rock-Brakes.) 



gracilis (Slender Rock-brake). 



In clefts of rocks ; general, and not uncommon north- 

 wards. 



atropurpureus (Purple-stalked Rock-brake). 



In the counties of Wentworth, Lincoln, and Welland ; 

 rare. As this fern occurs in Vermont near the 

 boundary-line, it is to be sought for in the Eastern 

 Townships. 



acrosticlioides (Crisped Rock-brake). 



On rocky lake-shores ; Lake Winnipeg, 1854, Mr. Barnston. 

 (Lake Superior to the Rocky Mountains, according 

 to Prof. D. C. Eaton.) 



Pteris 



aquilina (Bracken). 



In woods, &c. Generally distributed / and everywhere 

 common ; a Aveed. 



Adiantum 



pedatum (Maiden-hair). 



In moist woods ; generally distributed from Kamouraska 

 westwards, and usually common. A most graceful 

 fern. 

 WOODWARDIA 



Virginica (Virginian Chain-fern). 



In swampy ground. General in Canada West, but not 

 common. 



Camptosorus 



rhizophyllus ( Walking -leaf ) . 



On shady rocks ; somewhat generally distributed from 

 Montreal westwards, but usually rather rare. 



