UNDERWOOD: REVIEW OF THE GENERA OF FERNS 217 
Candollea Mirbel, 1803 (Acrostichum heterophyllum L.). 
Preropsis Desv., 1827 (P. nummularia = Acrostichum hetero- 
phyllum L.). 
Cassebeera Kaulf., 1824 (Adiantum triphyllum). 
Celanthera Thouin, 1786 (?? = Marattia). 
CERAMIUM Reinw., 1825 = Didymochlaena. 
Ceratopteris Brongn., 1821 (C. thalictroides). 
TELEOzOMA R.Br., 1823 (Pteris thalictroides Y). 
ErLoBocAnPUus Kaulf., 1824 (£. oleraceus = Ceratopteris thalic- 
troides). 
PARKERIA Hook., 1825 (P. pteridoides !). 
FuRncaniA Desv., 1827 (Acrostichum thalictroides). 
CETERAC Adans., 1763 = Asplenium. 
CETERACH Willd., 1810 = Asplenium: 
Cheilanthes Swz., 1806 (C. micropteris). 
Cheilogramme Blume, 1828 (Taenitis lanceolata). 
CHNooPHORA Kaulf., 1824 = Alsophila R. Br. 
Cibotium Kaulf., 1820 (C. Chamissot !). 
PinoniA Gaud., 1824 (P. splendens). 
Cincinalis Gled., 1764 (no type). 
CINCINALIS Desv., 1811 = Notholaena R. Br. 
CLEMENTEA Cav., 1802 = Angiopteris Hoffm. 
Cocu.ipium Kaulf., 1820 = Monogramma. 
Cryptogramma R. Br., 1823 (C. acrostichoides /). 
PnonoroRus Desv. ,1827 (Osmunda crispa L.). 
Creisium Richard, 1803 = Lygodium. 
Ctenopteris Blume, 1828 = § Polypodium. 
Cyathea J. E. Smith, 1793 (Polypodium horridum L.). 
Cyclophorus Desv., 1811 (Polypodium adnascens Swz.). 
NiPHoBOLUs Kaulf., 1824 (F. adnascens). ` 
CycroPrERis S. F. Gray, 1821 = Filix. 
CysrEA J. E. Smith, 1828 = Filix. 
CysroPrERIS Bernh., 1811 = Filix. 
Danaea J. E. Smith, 1793 (Asplenium nodosum L.). 
Darea Juss., 1789 (no type). 
Davallia J. E. Smith, 1793 (D. Canariensis). 
