Vll 
§ 6. LINDS^E^. 
f a) Veins free ( except where combined by the receptacles.) 
13 LINDS^A, Dry and, MS.— Smith, 1793. 
Lindsaya, Klfs. 1824. 
Hymenotomia, Gaud. 1826. 
Isoloma, J. Sm. 1841. 
Lindsaynium, F6e, 1851. 
(6) Veins reticulated, ivithout free included veinlets. 
14 SCHIZOLOMA, Gaud, MS. -Bory, 1824 ; Gaud. 1826. 
Pericoptis, Wall, Hb. 182.3. 
Synaplebium, J. Sm. 1841. 
(a) Veins free. 
15 ADIANTUM, Lin. 1737. 
Adiaiitellum; Presl. 1836. 
Apotomia, Fie, 1851. 
Diellia, Brackenridge, 1854. 
7. ADIANTEiE. 
Synechia, Fee, 1851. 
Mesopleura, Moore MS. 1853. 
§ 8. CHEILANTHEJE. 
(a) Sori marginal, terminal on the veins. 
Rhizome tiif ted or short creeping ; Sori dispersed along the margins of the segments ; fronds usually small mem- 
branaceous or sub- coriaceous. 
Indusia roundish, or by confluence more or less elongate ( often Pteroid.) 
16 CHEILANTHES, Sw. 1806. 
Gymnia, Hamilton MS. Don. 1825. Myriopteris, Fee, 1851. 
Aleuritopteris, F(§e, 1851. 
Cheiloplecton, Fee, 1857. 
SynocMamys, Y^ka, 1857. 
■ * Rhizome creeping extensively ; Sori usually at the axil of the segments ; fronds large herbaceous. 
17 HYPOLEPIS, 1806. 
§ 9. PTERIDE^. 
(a) Veins free. 
Sori oppositely marginal and connivent on the narroiv segments. 
IS ONYCHIUM, /i7/s. 1820. 
Casnoplieris, Thunb. 1793 (reduct) : Presl. 1849. 
Leptostegia, D. Don. 1825. 
Othonoloma, Lk. " Olira.' 
Physapteris, Presl. 1836. 
t 
19 
Sori linear continuous marginal. 
Indusium membranaceous. 
PTERIS, Lin. 1737 (emend.) 
Thelypteris, Adanson, 1763. 
Cincinalis Gleditsch, 1764. 
Oetosis, Necker, 1790. 
Monogonia, Presl. 1836. 
Lytoneuron, Kl. 1847. 
Nyniphopteris, Webb. et. Bertli. 1847. 
Macropteris, Webb, et. Bertli. 1847. 
