62- PELLAEA 



PURPLE CLIFF BRAKE: 



Pellaea atropurpurea. 



Fronds 4 to 24 inches liigli^ of a peculiar^ bluish- 

 green color; pinnate or twice pinnate below, but 

 very irregular in the matter of division, lobed or 

 forking pinnules common; fertile fronds some- 

 what taller than the sterile, and the pinnules longer 

 and narrower; stipes dark. 



Fruit dots marginal, covered with an indusium 

 formed by the reflexed edges of the pinnules. 



Found on rocks in limestone regions from New 

 England to Georgia and westward. 



NOTES. 



