LVHI ENUMERATIO GENERUM SYSTEMATICA 
2. ARCHANGIOPTERIS Christ et Giesenhagen 1899. — Species: 1. 
Typ. A. Henryi Christ et Gies. 
3. MARATTIA Swartz 1788. Species: 28. 
Typ. M. alata Sw. 
(1786. Celanthera Thouin ?). 1845. Discostegia Pr. (alata). 
1788. Marattia Sw. — | Gymnotheca Pr. (cicutifolia). 
1789. Myriotheca Juss. — . Stibasia Pr. (Douglasii). 
1842. Eupodium J. Sm. (Kaulfussii). 
4. CHRISTENSENIA Maxon 1905. — Species: 1. 
Typ. Aspidium aesculifolium Bl, 
1828. Kaulfussia Bl. Bak. 1868. Christ 1897. Diels 1900 (non Dennst. 1818: 
Gen. Polygalac. nec Nees 1820: gen. Compositarum). 
1836. Macrostoma Griff. (non Hedw. 1806). 
5. DANAEA Smith 1793. — Species: 26. 
Typ. Acrostichum nodosum L. 
1845. Arthrodanaea Pr. (Leprieurii). 1845, Heterodanaea Pr. (stenophylla). 
— . Danaeopsis Pr. (paleacea). —  Holodanaea Pr. (alata). 
3. OPHIOGLOSSALES. 
XIL. OPHIOGLOSSACEAE. 
1. OPHIOGLOSSUM Linné 1753 reduct. — Species: 43. 
Typ. O. vulgatum L. 
1828. OphiodermaBl.(Opbioglossum$) 1847. Cassiopteris Karst. (3 3). 
(8 2. 1883. Paraneura Prantl (Ophioglos- 
1836. Ophioderma Endl. (Bl. 1828 $). sam 8. (81b) — 
(8 2). — Ptiloneura Prantl (Ophioglos- 
1845. Cheiroglossa Pr. (8 3). sum 8$) (8 1c). 
— Rhizoglossum Pr. (8 1). 
8 1. Euophioglossum (vulgatum). 
a. Rhizoglossum Pr, 1845 (Bergianum). 
b. Paraneura Prantl 1883. 
c, Ptiloneura Prantl 1883. 
8 2. Ophioderma Bl. 1828 (pendulum). 
Ophioderma Endl 1836. 
8 3. Cheiroglossa (palmatum). 
Cheiroglossa Pr. 1845 — Cassiopteris Karst. 1847. - 
