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HANDY BOOK OF 
vices of old stone walls, the Parsley-leaved fern thrives 
best among the shapeless hlocks of stone which time or 
storms have strewn upon the sides of mountains. In Eng- 
SEEDLESS ROCK BRAKE. 
FERTILE ROCK BRAKE. 
land, therefore, the lakes and mountains of Cumberland and 
Westmoreland, of Lancashire and Yorkshire, reveal this 
delicate species ; the first two, very ahundantly ; the second, 
