206 The Ferx Lover's Compaxiox 



1919.) Nova Scotia, Maine, Vermont, ^Massachusetts, 

 Tonnecticut, northern New York, IlHnois, and Missouri. 

 Var. EUROPAEUM. Fertile frond less finely dissected 

 than in type. Ultimate segments more obtuse than in 

 type; has but very slight tendency towards the spatulate 

 form of the two previous varieties. Pinnules lanceolate, 

 strongly decurrent so that the pinnre- are merely pinnatifid. 

 In coniferous forests of Canada, and confined to cal- 

 careous regions. Quebec, Xew Brunswick, New Hamp- 

 shire, Vermont, New York, Ontario, Montana, and British 

 Columbia. Said to be rare e^■en in Europe. 



