( 69 ) 

 PLATE XXXV. LETTER XXXII. 



CRTPT0GAM1A F1LICES. Ferns. 



Ofmunda Spicant. Rough Sjileenwort. 



Fig. i. The barren frond. 



Fig. 2. The fertile frond. 



Fig. 3. A fingle pinna magnified, with the 

 fcales at a a ; and covers of the 

 capfules at b b. 



Fig. 4. A part of the pinna more magni- 

 fied, with the anthers on the rib 

 at a, and the membrane rolled 

 back at b b, to exhibit the rudi- 

 ments of the feed veffels at c c. 



