POLYPODIACEJE. 241 



2. Davallia contigua, Sw. 



DavaUia contigua, Sw. Syn. Fil. p. 130 & 339 ; Willd. Spec. PL 5, p. 465 ; Blume, 

 Bnum. PL Jav. 2, p. 230 J Hook. & Grev. Ic. Fil. 1. 141; Hook. Spec. Fil. 1, p. 161. 

 Prosaptia contigua, Presl, Tent. Pterid. p. 166. 

 Polypodium contiguum, J. Sm. in Hook. Jour. Bot. 4, p. 47. 



Hab. Tahiti, Society Islands. Samoan and Feejee Islands : on 

 trees; frequent. 



This and the preceding have been referred by Mr. J. Smith to 

 Polypodium; and Presl has placed them among his Qymnosorece. 

 In the position of the sori of this species, in the structure of the 

 cavity in which the sporangia are situated, as well as in its nature 

 and consistence, we find a striking resemblance to several Ferns 

 which are admitted by authors as true species of Davallia, viz. : 

 D. gibberosa, Swartz, D. Lindeni and D. Scliimperi, Hooker. In all of 

 these, the cup-shaped cavity, occupying the dilated apices of the 

 deeply divided fronds, is formed by the scarcely altered edges of 

 the same ; and, although D. Emersoni and D. contigua possess a habit 

 very different from these species, yet the character of the fructifi- 

 cation is so much alike in both, that we consider the most appro- 

 priate position for the two species now under consideration to be 

 in Davallia. 



* # Frondes quindtce sen pinnatce. 



3. Davallia pentaphylla, Blume. (Tab. 35.) 



D. rhizomate repente crinito-paleaceo ; stipitibus nudis semiteretibus ; 

 frondibus coriaceis glabris subtus argenteo-nitidis late ovatis acunii- 

 natis quinatis vel pinna tis; pinnis suboppositis lineari-lanceolatis 

 attenuates basi cuneatis, infimis binatis, sterilibus integerrimis vel 

 apice serratis, fertilibus dentatis; venis immersis furcatis; indusio 

 tubuloso apice truneato; sporangiis subexsertis. 



Davallia pentaphylla, Blume, Enum. PL Jav. p. 232; Hook Spec. Fil. 1, p. 163. 



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