POLYPODIACEjE. 247 



10. DAVALLIA EL ATA, Sw. 



Davallia data, Sw. Syn. Fil. p. 131 & 344 ; Willd. Spec. PI. 5, p. 472 ; Blume, 

 Enum. Plant. Jav. p. 236; Hook. Spec. Fil. 1, p. 166, t. 55, A. 



Hab. Tahiti, Society Islands. Samoan Islands. 



Plant large, from 3 to 4 feet high. Fronds quadripinnate, elastic, 

 glossy on both sides, and with a striated appearance on the surface 

 between the veins: divisions very much acuminated, the ultimate 

 ones or lacinise incisely-serrate. Sori short, and seated in the apices 

 of the incisions or serratures. Special indusium attenuated at the 

 point, free for about one-third of its length, furnished with a sharp 

 tooth on each side, or sometimes with only a single tooth on the 

 outer side. 



11. Davallia patens, Sw. 



DavaUia patens, Sw. Syn. Fil. p. 132 & 348 ; Willd. Spec. PI. 5, p. 473 ; Blume, 

 Enum. Plant. Jav. p. 236; Hook. Spec. Fil. 1, p. 166. 



Hab. Island of Marangos, Sooloo Group. 



The fronds of this are bipinnate, very rigid and glossy ; the pinnae 

 and pinnules subalternate, spreading, and very much acuminated; 

 the strise or false veins still more evident than in the preceding 

 species : ultimate divisions lanceolate and serrulate. Sori short, 

 seated in the serratures, with two sharp teeth projecting beyond the 

 apex of the indusium, the outer tooth the longer. 



12. Davallia elegans, Sw. 



Davallia elegans, Sw. Syn. Fil. p. 132 & 347; Willd. Spec. PI. 5, p. 471; Blume, 

 Enum. Plant. Jav. p. 235 ; Hook. Spec. Fil. 1, p. 165. 



Hab. Mount Majaijai, Luzon, Philippine Islands. 



Our single specimen of this is not very perfect, consisting merely 



