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T R I C H O M A N E S MU S C O ID E S .
F IL ICE S .—G y r a t æ . Br. P o l y p o d i a c e æ . K a u lJ . F i l i c e s v e ræ . Willd.
G e n . C h a r . T R IC H O M A N E S , Sm. Sori marginales. Capsuloe sessiles receptáculo com muni
cylindraceo insertæ, intra Involucrum monophyllum suburccolatum, ore hiantc, textura
frondis. B r.
T r ic h o m a n e s muscoides; frondibus e rectis simplicibu.s glaberrimis ob lon g is ve! oblongo-lanc eolatis
obtusis basi cuneatis subscssilibus sinuato-subpimiatitìdis m inutissim e reticulatis remote venosis,
involucris immersis, ore pcrbrevi v ix labiato libero.
T r ic h om a n e s m u s c o id e s . Sw. Fl. Ind. Occ. v .Z .p . 1 7 2 6 . Syn. Fil. p . 1 4 1 . IVilld. Sp. P l .v . 5 .
p . 5 0 0 . Spreng. S yst. Veget. v. i . p . 1 2 8 .
Trichomanes hymenode s. “ Hedw. Fil. le."
Trichomanes simplex repens, foliis incisis, capsulis diphyllis. Brown, Jam. p . 86.
H a b . In insulis occidentalibus, præcipue Jamaicæ c t H ispaniolæ. Swartz ; Dom' IViles, ^
Higson.
Caude x lon g e intra muscos repens, g racilis, filiformis, ferrugineo-tomentosus.
Frondes plurimoe, sparsæ, erectæ, ubique glabræ, unciam ad tres uncias longæ, tenui-membranaceæ, forma mire
variabiles, subrotundæ, obovatæ, obîongæ, v e l etiam oblongo-lanceolatæ, semper obtusæ, margine superne,
præcipue, sinuato-subpinnatifidoe, virides, sub lente minutissime puicherrime reticulatæ, tenuiter costatæ,
nevvisque obliquis r emotis, dichotomis instructæ, nervoque marginali vel paulo intra marginem currente,
inferne cuneatim attenuatoe in stipitem perbrevem, fere nullum.
S o r i præcipue versus extremitatem frondis, ad apices loborum.
In vo lu c ra venas terminantia, substantia frondis immersa, sub-cylincliacea, inferne in nervo attenuata: ore solum-
modo libero hiante, labiis perbrevibus.
Rec ep ta cidw n paululum exsertiim, inferne intra involucrum, capsuliferum.
Capsulæ orbiculatoe, compressoe, peltatæ, annulo completo cinctæ.
Scmitia minutissima subrotunda, flavescentia, pellucida.
F ig . 1. A p e x frondis. f. 2 . Po rtio ejusdem, w n g « aKci«. f. 3 . Receptaculum cum capsulis. f. 4 . Sem ina :__
m agn. auct.
A l t h o u g h th is is a p la n t th a t h a s b e e n lo n g n o t ic e d b y b o t a n is t s , i t is o n e o f w h ic h w e k n o w o f n o
s a t is f a c t o r y f ig u r e o r d e s c r ip t io n ; a n d w h ic h h a s , w c fe a r , o f t e n b e e n c o n f o u n d e d w it h T. reptans
(T a b . X X X I L ) , o r w it h s o n ic o t h e r o f t h e sm a lle r s im p l e - f r o n d c d sp e c ie s . I t s n e a r e s t a f fin ity is
w ith t h e sp e c ie s j u s t m e n t i o n e d ; y e t , i f it s lo n g e r a n d n a r r ow e r o u t lin e , it s m o r e sp a r in g ly n e r v ed
f r o n d s , w ith t h e ir p e r f e c t f r e e d om f r om h a ir s , a n d , a b o v e a ll, t h e in im c r s e d in v o lu c r e , b e a t t e n t iv e ly
c o n s id e r e d , th e r e w i l l b e n o d iff ic u lty in d i s t in g u is h in g it . S w a r tz , in d e e d , in h i s St/nopsis Filicum
d e s c r ib e s t h e in v o lu c r e s a s e x s e r t e d : th is is o n l y t h e c a s e a p p a r e n t ly , w h e n t h e y a r c s itu a t e d in a
v e r y n a r r ow s e gm e n t o r lo b e o f t h e fr o n d ; s o th a t th e su b s ta n c e o f th e f r o n d a r o u n d it is o v e r lo o k e d
o r t a k e n fo r a w in g e d m a r g in , w h ic h it sc cm.s t o c o n s t itu t e .
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