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§ 2. LOMAEIE^.
(a) l ciHs//i;e, or noi uniting at their apices.
Sori marginal, (the fronds contracted.)
6 LOMARIA, iVilld. 1809.
Onoclea, Liu, (Pfc.) 1751.
Stegaaia, Brown, 1810.
Lomaridiuni, Presi, 1849.
Polygramma, Presi. 1849.
tSoj'ì distinctly within the margin.
7 BLECHNUM,Zm. 1754.
Orthogramma, Presi. 1849.
Spicauta, Presi. 1849.
Blechnopsis, Presi. 1849.
Diafiiia, Presi. 1849.
Parablechuum, Presi, (pt.) 1849.
Paralomaria, Fee, 1851.
■ Moesthema, Presi. 1849.
j Distasia, Presi. 1849.
' Parablechuum. Presi, (pt.) 1849,
§ 3. PLEUROGRAMMEÆ,
(a) Veins compoundly anastomosing.
Fructification borne on the contracted apices o f the fronds.
8 HYMENOLEPIS, Elfs. 1824,
Belvisa Mirb. (pt.) 1803. Hyalolepsis, Kze., 1850.
Macroplethus, Presl. 1849.
* Fructification occupying distinct contracted fronds.
9 GYMNOPTERIS, Bernh. 1800, (emend.)
Leptochilus, Klfs, 1824.
Dendroglossa, Presl., 1849.
§ 4. TÆNITIDEÆ.
(а) Veins uniform, reticulated, with included free veinlets in the Areoles.
Sori linear, continuous, near the margin.
1 0 DRYMOGLOSSUM, Presl. 1836.
Pteropsis, Desv. (pt.) 1827.
Iletei'opteris, Fée, 1842. j Palioniiim, Presl. 1349.
Neurodium, Fée, 1842. : Lemmaphyllum, Presl. 1849.
(б) Veins straight, free, {except where combined by the marginal receptacles.)
11 TÆN10PSIS, J. Sm. 184!.
1 2
Cbilogiamnia, Bl. (pt.) 1828.
Cuspidaria, Fée (pt.) 1851.
VITTARIA, Sm. 1793.
Runcinaria, K. Mull. 1854.
Aristaria, K. Mull. 1854.
Tærniopteris, Hook. 1841.
Ampeloptcria, Kl. 1847.
5. VITTARIEÆ.
Pareuchymaria, K, Mull. 1854.
§ 6. LINDSÆEÆ.
(a) Veins free (except where combined by the receptacles.)
1 3 LINDSÆA, Dryand, MS.—Smith, 1793.
Liudsaya, Klfe. 1824. Isoloma, J. Sm. 1841.
Hymenotomia, Gaud. 1826. Liiidsaynium, Fée, 1851.
(5) FeiJis reticulated, without free included veinlets.
1 4 SCIIIZOLOMA, Gaud, MS.—Bory, 1824 ; Gaud,
Pericoptis, Wali, Hb. 1823.
Synaplebium, J. Sm. 1841.
(a) Vei7is free.
15 ADIANTUM, Lin. 1737.
Adiantellum, Presl. 1836.
Apotomia, Fée, 1851.
Diellia, Brackenridge, 1854.
} 7. ADIANTEÆ.
Synechia, Fée, 1851.
Mesopleura, Moore MS. 1853.
§ 8. CHEILANTHE^.
(a) Sort marginal, terminal o?i the veins.
Rhizome tufted or short creeping; Sori dispersed along the margins of the segments; fronds usuaUy small membranaceous
or suh-cvriaceous.
•■a more or less elongate (often Pteroid.)
1 6
Indusia roundish, o
CHEILANTHES. Sw. 1806.
Gymnia, Hamilton MS. Don. 1825. Myriopteris, Fée, 1851.
Aleuvitopteris, Fée, 1851.
Othonoloma, Lk. “ Olim.” CheOoplecton, Fée, 1857.
Physapteris, Presl. 1836. Synochlamys, Fée, 1857.
: » Rhizome creeping extensively ; Sori usually at the axil of the segments; fronds large herbaceous
1 7 HYPOLEPIS, Bcrnh. 1806.
§ 9. PTERIDEÆ.
(a) Veins free.
i Sori oppositely marginal and oo,inivent on the narrow s
18
19
O N Y C H IU M , 1820.
Cmnoplieris, Thunb. 1793 (reduct) : Presl. 1849.
LeptostegicC, D. Don. 1825.
<Sori Imcar continuous marginal
Indusium membranaceous.
PTERIS, Lin. 1737 (emend)
Thelypteris, Adanson, 1763.
Cinciualis, Gleditsch, 1764.
Oetosis, Necker, 1790.
Monogouia, Prosi. 1836.
Ljtoneuron, Kl. 1847.
Nymphopteris, Webb, et. Berth. 184T.
Macropteria, Webb, et. Berth. 1847.