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but placed a little to one side, distiuguislios tliis from the otlicr cougeuers with which it is most liliely to
be coutbuudod.
1. Trichomanes membranaceum. L in n .—H(X)h. E x . Fi. t. 76.
Hitherto tliis species has been Vmly known as a native of tiie West Indies.
2. Trichomanes/iifwt/c; fronde lanceolata biphmatifida glabra nuirgiunta, laciniis linearibus
obtusis integerrimis, involucris oblongo-cylindruccis, ore bilabiato, labiis rotundatis.
Hook, et Grev.— “ Forst. Prodr. n. 464.” Sic. Syn. FU. p . 143 c i3 7 1 . Hook, et Grev. Ic.
FU. t. 85.— T . minutnium. Gaud, in Freyc. Foy. p . 377. t. 12. / 2?
Bory (in Duperrey’s Voyage) states tliat Gaiidichaud’s plant, origiuiilly fj-om tbe Moluccas, had beeu
foimd iu Talliti by Durville ; and bis ligiu*o, with the exception of the magnified extremity of the involucre,
wliich is probably erroneous, iiuswei-s pretty n ell to our plant.—This mid the following belong to Desvanx’s
genus Didymoglossimi.
3. Trichomiuies Filicu la ; fronde lanceolata ti-ipinnatiiida glabra, laciniis linearibus ob-
lusis integerrimis, involucris oblongo-cylindruceis, ore bilabiato, labiis ovatis acutiusculis.—
B o r y in Duperrey Voy. v. 1. p . 283.— T . bipunctatum. Poir.— Hyinenophyllum Filicula.
iVUId. Sp. PI. V, 5. p . 528.
Notn-iihstanding some slight difference between Willdenow’s description and the above character, n e
believe our plant to be the same ; the more so as Bory states that Dm-rille has likenfise met with it in Tahiti.
We have long ago received it from Mr. Menzies, under the manuscript name of T . bilingue.
1. Alsopliila ; frondibus triplicato-pinnatis, pinnis acuminatis, pinnulis linearioblongis
obtusis serrulatis, r a d ii punctato-aspero, caudice m-boreo.— Polypodium extensum.
“ Forst. Prodr. n. 453.”— Cyatliea extensa. Sw. Syn. Fil. p . 139 ei 364. Schkuhr, Fil. t.
132.— Alsophda extensa. Desv.
We may here remark that Mr. Collie gives a list of fifty-two species of Ferns collected in Tahiti ; whereas
we cau find only forty-one in the Collection; and, iu Mr. Collie’s notes, the Sadleria is not noticed.
O r d . L I IL M U S C I . Juss.
1. Octoblepharum albidum. Hedw.
1. Dicranum bryoides ; ¡3. osmundioides. A m . Disp. Muse. p . 28.—D. osmundioides.
Fngl. Bot. t. 1662.
1. Ortliotricum apiculatym? Hook. Muse. Fxot. t 45.
The specimen in the Collection is in a young state, so that we cannot be positive of its identity with the
ile s ic an species ; the calyptra, also, is here provided nfith a few hairs, while in the other it is decidedly
glabrous.
1. Xeckera undulata. Hedw. Muse. Frond, v. 3. t. 21.
The Hypnum duplicatum, (Hedw. Sp. Muse. Supp. 3. t.279,) gathered by Mr. Menzies in Tahiti, appears
to us merely Neckera pennata, foimd there also by Durville.
2. Neckera filic in a . Hedw. Muse. Frond, v. 3. t. 18.
1. H\-pnum Chamissonis. Hornsch. Hor. Ph y s. Ber. p . 66. t. 13.
Our authentic specimens of H. Chamissonis differ from those in the Collection by having rather smaller
thecas; but we can perceive no other distinction. The theca is perfectly straight, and nodding (uot cemu-
ous) by the curvature of the top of the seta.
2. ily p rm m fuscescens ; caule vage ramoso laxe caespitoso prostrato, foliis disticlussub- /
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