P L Y P D I A C E JE. 107 



6. LlTOBROCHIA POLITA, /. aSW. 



Litobrochta polita, J. Sin. in Hook. Jour. Bot. 4, p. 163. 

 Pteris polita, Link, Hort. Berol. ; Agardh. Gen. Pterid. p. 65. 



Hab. Vicinity of Rio Janeiro, Brazil. 



The solitary specimen of this, in our collection, wholly agrees with 

 cultivated ones, procured in 1836, from the Royal Botanic Garden at 

 Berlin. 



* * * * Frondes pedatae vel ternatse, ramis bipinnatifidis vel pinnatis. 

 7. LlTOBROCHIA INTERMEDIA. 



L. stipitibus hinc canaliculatis glabris ; fronclibus pedatis, ramis bipin- 

 natifidis, lateralibus tripartitis; pinnulis alternis sessilibus lanceolatis 

 acuminatis pinnatifidis niembranaceis glabris, laciniis oblongis sub- 

 falcatis apice subacute crenidatis. 



Pteris intermedia, Blume, Enum. Plant. Jav. p. 211. 



Hab. Mindanao, one of the Philippine Islands. Manua and Savaii, 

 Samoan Islands. 



Stipe naked and smooth, semiterete, channeled in front. Fronds 

 pedate, together with the stipe from 4 to 5 feet high, smooth, flaccid, 

 and of a pale green colour ; the branches bipinnatifid, the lateral ones 

 tripartite. Pinnules alternate, sessile, lanceolate, acuminate, pinnatifid, 

 membranaceous; the segments oblong, somewhat falcate ; the margins 

 from the base of the sinus, outwards for about two-thirds of the whole 

 length are soriferous, the apices rather acute and crenulate. Lower 

 veins arcuately anastomosing ; the superior veins and venules reticu- 

 lated ; their meshes irregular in form and unequal in size. 



