60 



F I L I C E S. 



1. T^INIOPSIS GRAMINIFOLIA, J. Sm. 



Tseniopsis graminifolia, J. Sm. in Hook. Jour, of Bot. 4, p. 67. 

 Vittaria graminifolia, Kaulf. Enum. Fil. p. 192. 



Hab. Organ Mountains, Brazil. 



Plant terrestrial and csespitose, with erect fronds, costate, about a 

 span long, and a little more than one line broad. Sori forming a con- 

 tinuous line the whole length of the frond, a little nearer to the 

 margin than the costa. 



2. Tseniopsis Richiana,* Sp. Nov. 



T. rhizomate crasso repente paleaceo ; fronde pendula subcoriacea lineari- 

 ensiformi basi attenuata plana costata; soris latis; sporangiis pilis 

 clavatis articulatis intermixtis. 



Hab. Ovolau, Feejee Islands : in mountain forests, on trees ; rare. 



Rootstock thick and creeping ', of a sooty-black colour, paleaceous; the 

 palese linear-lanceolate, attenuate, and reticulated. Fronds pendulous, 

 2 to 3 feet long, subcoriaceous, linear-ensiform, about 6 lines broad, 

 plane, attenuate at the base, the point subacute. Veins evident, oblique, 

 simple, but occasionally forked. Sori broad, about one line broad, 

 produced on the upper half of the frond only, close to the margin 

 and continuous ; the sporangia pedicellate, intermingled with nume- 

 rous dark brown, articulated, clavate hairs. 



22. VITTARIA, J. E. Sm. 



1. Vittaria ensiformis, Sw. 



Vittaria ensiformis, Sw. Syn. Fil. p. 109; Willd. Spec. PI. 5, p. 406; Blume, Enum. 

 Plant. Jav. p. 198; Presl, Tent. Pterid. p. 165. 



* We have named this species in compliment to William Rich, Esq., the principal 

 botanist of the Exploring Expedition. 



