Poly pod. 



Vmnuh shouu,n^ 

 Wtth Spcrana /'a 



KacA/s 



I teridiam a^ui/znurn. Pinna. sAow/nq 

 continuous marai/ia/ sorus and i/tdusium 



Oncclea. &ensihili's. Vinna. snaiuina 

 ^reolai'e or i'nazi'omt>s,/n(j y&nai'/'an .^ 



■'■{^■V^\'*=^.^^'.<^ 



Ac/ 1 centum peel a tum. 



t innule shotiiina c//c/!ofomffu% 



venc'I'/on antd mara//7a./ sari. 



'Dryop'ter/5 n>ara/na/'5. 

 Cross s&etion of pe.fi oje. 

 showinq t^ascu/ar hu-n^/a 



Tilix huliifera. 

 Cro^'i section of 

 ptf/oJe, showi/ta 



Dryopferis mtxroi nahs . 



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



