ON GENERA AND SPECIES. 47 



21. Davalliese (Gen. 4. Microlepia., Presl., Davallia, Sm., 



Prosaptia, Presl.) 

 22. Dicksonieae (Gen. 7. Dicksonia, L'Herit., Dennstcedtea, 



Bernh., Cionidium, Moore.) 

 23. Paraneme (Gen. 5. Viacalpe, BL, Woodsia, R. Br., 



Hypoderris, R. Br. 

 Illl Ring more or less obliquely vertical, nearly complete, 



narrow. 



Tribe II. CYATHEINE.. 

 1. Thyrsopteredeae (Gen. 1, Thyrsopteris, Kge, T. 



elegans). 

 2. Cyatheae (Gen. 3, Cyathea, Sm., H&mitelia, R. Br., 



Amphicosma, Gard.) 

 3. Alsophileas (Gen. 2, Alsophylce, R. Br., Amphides- 



mium, Schott). 



Tribe III. ^MATONINEJ:. 

 (Gen. 1. Matonia, R. Br., M. pectinata). 



Tribe IV. GLEICHENINEJ;. 

 (Gen. 2. Platyzoma, R. Br., Gleichenia, Sm.) 



Tribe S.TEICHOMANINEJJ. 



(Gen. 5. Loxoma, R. Br., Hymenostachys, Bory., 

 HymenophyUwn, Sm.) 



Tribe VI. SCHIZJIINE^. 

 1. Lygodiese (Gen. 2, Lygodium, Sw., Hydroglossum, 



Willd.) 

 2. Schizaeeas (Gen. 5, Anemia, Sw., Mohia, Sw., 2V0- 



chopteris, Gard.) 



Tn'6e 7. CERATOPTERIDINE^. 

 (Gen. 1. Ceratopteris, Brongn., C. thalictroides). 



Tribe 8. OSMUNDINEJ;. 

 (Gen. 2. Osmunda, Lin., Tofa, Willd.) 



