268 



F I L I C E S. 



12. Hymenophyllum fucoides, Sw. 



Eymenophyllum fucoides, Sw. Syn. Fil. p. 146 ; Willd. Spec. PI. 5, p. 522 ; Hook. 

 Spec. Fil. 1, p. 101. 



Hab. Organ Mountains, Brazil. 



The species sometimes produces its sori in pairs on the tips of the 

 somewhat bifid or emarginate laciniae. 



* * * * Frondes pinnatisectce, marginibus integerrimis, nee ciliatis nee serratis. 



13. Hymenophyllum dilatatum, Sw. 



Hymenophyllum dilatatum, Sw. Syn. Fil. p. 117 & 373 ; Willd. Spec. PI. 5, p. 533 ; 

 Blume, Enuni. Plant. Jav. 2, p. 221; Hook. & Grev. Ic. Fil. t. 60; A. Cunn. in 

 Hook. Comp. Bot. Mag. 2, p. 368; Hook. Spec. Fil. 1, p. 104. 



Hab. Vicinity of the Bay of Islands, New Zealand : in deep and 

 damp forests, on dead wood and trees; frequent. Feejee Islands; 

 rare. Luzon, Philippine Islands. 



Some specimens of this very handsome species are over two feet in 

 length; the fronds oblong, acuminate, and tripinnatifid, somewhat 

 lucid. Sori terminal, invariably borne towards the summit of the 

 fronds, or at least confined to the upper half. Sporangia in age pro- 

 jecting beyond the margin of the two-valved, orbicular indusium ; the 

 tip of the clavate receptacle then about equal with the margin of the 

 valves. 



14. Hymenophyllum formosum, Sp. Nov. (Tab. 37.) 



H. stipitlbus basi teretibus superne alatls ; frondibus erectis oblongo- 

 lanceolatis acuminatls tripinnatipartitis ; pinnis primariis alternis 

 ad&cendentibtis, secoudariis avails obtusis subpalmatis ; lacbtiis angusto- 

 llaearibus obtusis simplicibus vel bifidis ; soris paucis supra-axilla- 



