130 The Ferx Lover's C'o.\ipaxio> 



KEY TO THE WOOD FERNS 



AsPIDIUTW 



Fronds pinnate, the pinna? pinnatifid; 

 Blade soft and thin, not evergreen; 

 Lower pinnoe reduced to mere lobes 



New York Fern 

 Lower pinna^ Ijut shghtly reduced; 



Veins simple Massachusetts Fern 



Veins forked ISIarsli Fern 



Blade rather thick (subcoreaceous) mostly evergreen; 

 Fronds small, narrow, glandular, rock species 



Fragrant Fern 

 Fronds large, two or more feet liigh; 

 Lower pinn;v short, broadly triangular 



Crested Shield Fern 

 IjOwer pinna? longer; 



Sori close to the margin .... Marginal Shield Fern 

 Sori nearer the midvein; 



Frond lanceolate Male Fern 



Frond ovate (ioldie's Shield Fern 



Fronds twice pinnate with the lower pinnules pinnatifid 



Boott's Shield Fern 



Fronds nearly thrice pinnate Spinulose Shield Fern 



