KEY TO THE GENERA 



PAGE 



Fruit dots elongcated, irregu- 

 larly scattered, some par- 

 allel to the midrib, others 

 oblique to it; blade taper- 

 ing into a long slender tip. 

 Walking Fern. 



Camptosorus. 154 



Camptosorus. 



Asplenium. 



Fruit dots mostly oblique to 

 the midrib, straight or 

 curved, sometimes crossing 

 a veinlet ; indusium fixed on 

 one side, opening on the 

 side next the midrib ; 

 fronds variously lobed or 

 divided. Spleenworts ; 

 Lady Fern. 



Asplenium. 24 



