OUR 



Native Ferns 



AND 



HOW TO STUDY THEM 



SpoDtical DescriBtions of the Nortli American Snecies 



LuciEN M. Underwood, Ph. D. 



Professor op GtEology and Botany in the Illinois Wesleyan University 



He prayeth best who loveth best ; 

 All thiugS', both great and small ; 

 For the dear God who loveth us. 

 He made and loveth all. 



Coleridge: 



ILXjTJS a?E, JL TEX3 



BLOOMINGTON, ILL. 



1881 



