42 ASPLENIUM 



PINNATIFID SPLEENWORT: 



Asplenium pinnatifidum. 



Fronds 3 to 8 inches long, lance-shaped, pin- 

 natifid or pinnate below with roundish lobes, taper- 

 ing above into a slender prolongation, which some- 

 times takes root at the tip after the manner of the 

 walking fern. There is considerable variation in 

 the cutting of the fronds ; stipe brownish, becoming 

 green above. 



Fruit dots scattered, borne on the prolongation 

 as well as the lobes. 



Found on rocks from Connecticut to Missouri 

 and southward; rare. 



NOTES. 



