102 ASPIDIUM 



GOLDIE'S SHIELD FERN: 



Aspidium Goldieanum. 

 {Nephrodium; Dryopteris Goldieana.) 



Fronds large and broad^ often 4 feet high^ 

 nearly twice pinnate; pinnae broadest near the 

 middle^ cut nearly to the midrib into long^ blunt^ 

 slightly-toothed^ curving pinnules. 



Fruit dots borne near the midvein; indusium 

 very large, smooth and without marginal glands. 



Found in moist woods from Canada to New 

 England, Tennessee and Minnesota. 



The variety celsum differs from the type in be- 

 ing narrower, with pinnae and pinnules farther 

 apart, and the lowest pinnae on rather long stalks; 

 found on old decaying logs. 



