XXIV ENUMERATIO GENERUM SYSTEMATICA 
16. NEOCHEIROPTERIS Christ 1905. — Species: 1. 
Typ. Polypodium palmatopedatum Bak. 
1898. Cheiropteris Christ 1898. Diels 1899 (non Kurr, gen. palaeophyt.). 
16a. ADENODERRIS J. Smith 1875, Maxon 1905. — Species: 2. 
Typ. Aspidium glandulosum Hk. et Grev. Vide Ind. spec. pag. 660. 
Polystichum sp. Diels 1899. 
17. POLYSTICHUM Roth 1799, 1800 emend. Schott 1834. — Species: 112. 
Typ. Polypodium aculeatum L. 
1753. Polypodium sp. L. (1841). Hemigonum J. Sm. 1875. (83). 
1800. Polystichum sp. Roth. 1850-52. Peltochlaena Fée (8 3a). 
1801. Aspidium sp. Sw. 1858. Phegopteris sp. Mett. 
— Tectaria sp. Cav. 1862. Aspidium S Polystichum Hk. 
1803. Hypopeltis Michx.; Bory 1833 1863. Cyrtomiphlebium Hk. (Polypo- 
(nom. opt.?). (8 1). dium $8. (8 3b). . 
1819. Rumohra Raddi (S 1 b). 1865. Porpaea Pr. msc. ($ 1a). 
.1828. ? Arachniodes Bl. (S 1 b) 1875. Polystichopsis pt. J. Sm. (La- 
1833. Tectaria Link (8 1 b). strea S). (8 1c). 
1834. Polystichum Schott (8 1). 1884. Ptilopteris Hance ($8 2). 
1836. Cyrtomium Pr. (8 3). 
8 1. Eupolystichum (aculeatum), 
Hypopeltis Michx. 1803 —  Polystichum Schott 1834 (Roth 1800 
pt) — Aspidium $ Polystichum Hk. 1862. Bak. 1867. Christ 1897. 
a. Porpaea Pr. 1865 (vestitum). 
b. Rumohra Raddi 1819 (adiantiforme) —  Tectaria Link 1833. 
? Arachniodes Bl. 1828. 
c. Lastreopsis (hispida) — Lastrea $ Polystichopsis pt. J. Sm. 1875. 
8 2. Ptilopteris (Maximowiezii). - 
Ptilopteris Hance 1884 — Phegopteris 8 Ptilopteris Christ 1897. 
8 3. Cyrtomium (falcatum). 
Cyrtomium Pr. 1836 — Hemigonum J. Sm. (1841) — Aspidium 
$8 Cyrtomium pt. Hk. 1862. Bak. 1867. Christ 1897 — Polystichum 
8 Cyrtomium pt. Diels 1899. 
a. ? Peltochlaena Fée 1850-52 (? abbreviatum). 
b. Cyrtomiphlebium (dubium) — Polypodium 8 Cyrtomiphlebium 
Hk. 1863. Bak. 1867. A 
18. PHANEROPHLEBIA Pres] 1836. Und. 1902. — Species: 10. 
Typ. Polypodium juglandifolium H.B. Willd. 
Amblia Pr, 1836. — Aspidium 8 Cyrtomium pt. Hk. 1862. Bak. 1867. Christ 
1897 — Polystichum $ Cyrtomium pt. Diels 1899. 
19. PLECOSORUS Fée 1850-52, — Species: 3. 
Typ. Cheilanthes speciosissimus A.Br. 
Cryptostigma A.Br. msc. 1856. e 
 Cheilanthes sp. Bak. 1867. 
