TiacAis 



rteridium afuif/num. Pinna. sAow/na 

 continuous mara/na/ sorus ^no' iA£^ti&iu/ft 



OnocUa. sensihi//'s. 'Pinna, shoiuin^ 

 area/ate or anaif'omtsirKf yenai'/on.. 



Adicintum peda. turn. 

 'Vinnule ehowin^ d/cAofomeu'^ 

 veniJ'ion and /nar^//?a/ sori. 



"Dryopteris niar^ina/z's. 

 Cross section of p&fioje. 

 showing irascu/ar hu-nd/es 



Tilix iiu/ljl fera. 

 Cro'5% sec-fion of 

 ptt/oje, showina 



^a.^Cu/ar Am/id/es. 



'Dryopteris marainali's . 



Drawings of the common parts of fern leaves, by Clara G. Mark. 



