ON. GENERA AND SPECIES. 47 
§ 21. Davalliex (Gen. 4. Microlepia., Presl., Davallia, Sm., 
Prosaptia, Presl.) 
$ 22. Dicksoniew (Gen. 7. Dicksonia, L’Herit. Denusiadish, 
Bernh., Cionidium, Moore.) 
$ 23. COEUR (Gen. 5. Diacalpe, Bl, Woodsia, R. Br. ity 
Hypoderris, R. Br. ; 
II Ring more or less obliquely vertical, nearly complete, 
narrow. 
Tribe IT.—CyYyATHEINEX. 
§ 1. Thyrsopteredes (Gen. 1, Thyrsopteris, Kge, T. 
elegans). 
$ 2. Cyatheæ (Gen. 3, Cyathea, Sm., Hemitelia, R. Br., 
Amphicosma, Gard.) 
§ 3. Alsophilee (Gen. 2, Alsophyle, R. Br., penes e 
mium, Schott). 
Tribe TII. —MATONINE X. 
(Gen. 1. Matonia, R. Br., M. pectinata). 
Tribe IV.—GQLEICHENINEE. —— ; 
(Gen. 2. Platyzoma, R. Br., Gleichenia, Sm.) 
Tribe 5. —TRICHOMANINEX. 
(Gen. 5. Lozoma, R. Br., Hymenostachys, Bory., 
Hymenophyllum, Sm.) 
Tribe V1.—ScHIzHINES. 
$ 1. Lygodieæ (Gen. 2, Lygodium, Sw., EH 
Willd.) ES 
3 2. Schizses (Gen. 5, Anemia, Sw., gp, Sw, Tro 
(000 Glopteris, Gard.) | 
Tribe 7.—ORRATOPTERIDINE Æ. 
(Gen. 1. Ceratopteris, Brongn., C. thalictroides). 
: Tribe 8.—OsMUNDINES. 
(Gen, 2. Osmunda, Lin., Todea, Willd.) 
* 
