Xll 
45 
40 
47 
Arsenopteris, Webb et B. (pt.) 1847. 
Gymnothalamium, Zenker ; MS. Kze. 18." 
Hemestheum, Newm. 18.51. 
Lophodiuin, Newra. 1851. 
Camptodium, Fee, 1851. 
Ooclilamys, F^e, 1851. 
Pachyderris, J. Sm. MS. (1854). 
Pycnopterls, Moore, 1854. 
LASTllEA, (Bo)'!/., 1824, (mutat) FresL 18 
Dryopteris, Adamson, 1763 : Schott, 1834. 
Gleichenia, Necker, 1790. 
Aspidium, Sw. (pt.) 1800. 
Nephrodiuiti, Eich. (pt.) 1803. 
Arthrobotrys, Wall, 1828. 
Thelypteris, Schott, 1884. 
Hypodematium, Kze. 1837. 
Amauropelta, Kze. 1840. 
Dichasium, A. Br. 1841. 
Lastreastrum, Presl. 1849. 
Veins parallel forked, soriferous at or near the hase ; fronds sinqile, articulated. 
OLEANDEA, Cav. 1802. 
Neuronia, Don. 1825. 
Ophiopteris, Keinw. 1825. 
Veins xannately forked, soriferous at their apices : fronds liuinate, the pinna; a.rticidated. 
NEPEOLEPIS, Schott, 1834. 
Neplirodium, Link, 1841. 
Lepidoneuron, Fee, 1851. 
17. CYSTOPTEEIDE^. 
(a) 
48 
49 
(a) 
51 
Sori terminal, rarely axil larj in the frrks of the venules ; fronds menihranaceous or herbaceous 
ACEOPHOEUS, Presl. 1836. 
Lencostegia, Presl. 1836. • - 
Odontoloma, J. Sm. 1842. 
Sori terminal vertical, rarehj suhterminal and oblique, fronds small, coriaceous. 
HUM AT A, Cau: 1801. 
Pachypleuria, Presl. 1836. 
Pteroneuron, Fee, 1851. 
§ 18. DAVALLIE.E. 
Sori intramarrjincd ; indusium semi-orbicular, or half cup shaped membranaceous. 
MICEOLEPIA, Presl. 1836. 
Scyphofilix, Aub. du Petit. Tliouars, 1811. 
Saccoloma, Klfs. 1820. 
Neuropteris, Desv. 1827. 
Selenidium, Kze. 1837. 
Tapeinidium, Presl. 1849. 
Sori marginal. 
Indusium tubulose, or cup shaped membranaceous. 
DAVALLIA, Smith, 1793. 
Wibelia, Bernh. 1800. Parestia, Presl. 1849. 
Stenolobus, Presl. 1836. Stenoloma, F^e, 1851. 
Colposoria, Presl. 1836. Seyphularia, Fi^e, 18.31. 
Odontosoria, Presl. 1836. F(^e 1851. 
