46 ON GENERA AND SPECIES. 



2. Platycerieaa (Ex. Platycerium, Desv., Jerikinsia, Hook.) 



3. Lomariese (Ex. Lomaria, Willd., Blechnum, Lin.) 



4. Pleurogrammeae (Ex. Monogramma, Schh., Hymenolepis, 



Klfs., Gymnopteris, Bernh. 

 5. Tsenitideffl (Ex. Lomogramma, J. Sm., Drymoglossum, 



Presl, Tceniopsis, J. Sm.) 

 6. Vittarieae (Ex. Vittaria, Sm.) 

 7. LindsaseaB (Ex. Lindscee, Dryand., Dictioxiphwm, 



Hook.) 



S. Adiantese (Ex. Adiantum, Linn., Hewardia, J. Sm.) 

 9. Cheilantheae (Ex. Hypolepis, Bernh., Casebeera, Klfs.) 

 10. Pterideaa (Ex. Onychium, Klfs., Haplopteris, Presl., 



Amphiblestra, Presl.) 

 11. Woodwardiese (Ex. Woodwardia, Sm., includes 



Doodia, B. Br.) 

 12. Meniscieee (Ex. Bmnia, J. Sm., Menistium, Schreb., 



Dryomenis, Fee.) 

 13. Asplenieas (Ex. Actinivpteris, Link., Aspl&nium, 



Presl, Geterach, Willd.) 

 14. DidymochleBneae (Ex. Didymochlaena, Desv., Meso- 



chlsena, R. Br.) 

 15. Hemionitideas (Ex. Polytcenium, Desv., Anetium, 



Klfs., Dictyogramma, Fee.) 

 16. Gymnogrammeae (Ex. Grammilis, Sw. f Stegno- 



gramma, Bl., Selliguea, Bory.) 

 17. Platylomees (Ex. Tlagiogyria, Kze., Llavea, Lagasca, 



Cryptogramma, B. Br.) 

 18. Polpodie (Ex. Struthiopteris, Willd., Jamesonia. 



Hook, et Grev., Drynaria, Bory.) 

 19. Aspidieaa (Gen. 12. Onoclea, Lin., Polystichum, 



Both., Nephrolepis, Schott.) 

 20. Cystopterideas (Gen. 3. Cystopteris, Bernh., Aero- 



phorus, Presl., ffumata, Cav.) 



