VIU 
Eiipteris, Agardh, 1839. 
Ornitliopteris, Agcardb, 1839. 
Pteridopsis, Link. 1841. 
Eupteris, Newm. 1845. 
(b) Costal veins only arcuatelij anastomosing. 
^0 CAMFTEEIA, Presl. 1836. 
Pycnodoria, Presl. 1849. 
Lonchitidium, F6e, 1851. 
§ 10. MENISCIEiE. 
(«.) Venules regularly anastomosing arcuato-transversely between the pinnate parallel veins. 
51 MENISCIUM, Schreb, 1791. 
Ampelopteris — Kunze. 
§ 11. ASPLENIE^. 
(a) Imhisia simple, distinct. 
* Veins free. 
t So7'i linear, elongate, marginal on the contracted rachiform segments ; fronds, flabelli- 
form. 
22 ACTINOPTERIS, Link, 1841. 
Belvisia, Mirbel, (pt.) 1803. 
t t Sori linear or oblong, obliqtie. 
23 ASPLENIUM, Lin. 1737. 
Caenopteris, Bergins, 1782. 
Darea, Jussieu, 1789. 
Onopteris, Neck. 1790. 
Phyllitis, Moench, 1794. 
AUantodia, E,. Br. (pt.) 1810. 
Acropteris, Liuk, 1833. 
+ t t Sori lunate or more or less hiijpocrepiform. 
24 ATHYPtlUM, Both. 1788, (reduct.) 
Solenopteris, Zenker, MS. 1835. Kze. 1851. 
* * Veins parallel, transversely combined at the margin 
25 THAMNOPTERIS, Presl. (1836) ; 1849. 
Neottopteris, J. Sm. 1841. 
* * * Veins reticulated, the marginal veinlets free. 
t Indusia vaidtcd ; fronds membranaceous, naked. 
26 ALLANTODIA, K. Br. 1810, (reduct) ; id. 1830. 
(6) Indu&ia connate in pairs hack to back. 
Veins free. 
27 DIPLAZIU:!iI, Sw. 1800. 
Lotzea Kl. et. Karst, 1847. 
Veins connivenily anastomosing. 
Amesium, Newm. 1844. 
Homaloneuron, Kl. 1847. 
TaracMa, Presl. 1849. 
Brachysorus, Presl. 1849. 
HypocUamys, F^e, 1853. 
Darceastrum, F^e, 1851, 
