TJJ'. i I;
l ' i i
' A . J *
Il ; 1
SY N AM M IA , P re sl. J . Sm . '
S o r i oblongi, nudi, crassiusculi, dorso venulæ infimæ liberæ insidentes.— Filix Ghi-
lensis. Rbizoma repens. Frondes stip ita tæ , tenuiter coriaceæ, p in n a tæ , p in n is
aclnatis, serrulatis. Venæ p in n a tæ , internoe, tenuissimæ, ramosce. Venulæ oppositæ,
in a rcum a n gulatum confluentes et m a cu lam he xàgonoideam efficientes,
infima su p ra basin in fe r io ris emergens, libera, apicem versus sorifera, secund
a riæ eæ angulis arcus exorientes, liberæ., infimaque apice globoso-incrassatæ.
Pre sl.
Synammia triloba. P r e s l.— Polypodium trilobum. Cav.
H a b . Chili.
Besides the Polypodium trilobum of Cavanilles, Presi refers to this Genus the Grammitis
elongata, Sw.:—which Mr J. Smith places in Phlebodium (Br.):—the same Genus
with Pleopeltis, Presi.
T a b . e x . A.— Fig. 1 . Portion of Syn amm ia triloba ; nat. size ; f . 2 . Portion o f the same : f . 3 .
Smaller portion, with two sori, showing the venation : / . 4, S. Sporangia : f . 6. Sporules ¡—magnified.
A
TAB. ex. B.
L E C A N O P T E R I S . B l.
S o r i apicibus dentium frondis cartilagineorum et excavatorum immersi (siccitate
reflexi.) lie c ep ta cu lum ovali-orbioulatum, latissimum, concaviusculum, undique
capsulis pilisque densisslmis obtectum.— Frons coriaeea, lin ea n -la n o eo la ta , p in natifida,
laciniis ovato-subrotundis, inciso-dentatis. Venæ p in n a tæ . Venulæ
internee tenuissimæ, in maculas hexagonoideas anastomosantes, secundarioe
lïberæ, globuloso-incrassatoe, rectoe a u t hamatoe. P r e s l.
Lecanopteris carnosa. B lum e .
H a b . Java. Philippine islands. Cuming.
This IS a very remarkable Fern, peculiar in habit, and still more so in its fructification.
The teeth of the segments are extended into broad cartilaginous lobules, which bear the
son, and which have a considerable resemblance to the fructification of Nephroma and Pel-
ticlea among tlie Lichens.
T a b . e x . 'Q.—Fig. 1. P ortion o f a frond ; nat. size : / . 2. Smaller portion o f th e same : / . 3 . P o rtion
of two sori 4, 5. Sporangia : / . 6. Sporules more or less magnijied.