Portion of a'segment of mature Frond— under side. 



POLYPODIUM PULYINATUM. 



Link. Kunze. 



PLATE LVI. VOL. II. 



PJilehodium pulvinatum, 

 CJirympteris pulvinata, 



J. Smith. 



Link. 



Polypodium — Polypody. 



Pulvinatum — Cushioned. 



In the Section Phlebodium of Authors. 



Another uncommon species in the section Phlebodium of 

 Authors. 



An evergreen stove Fern. 



Native of Brazil. 



Introduced into the Royal Gardens, Kew, in the year 1841. 



Fronds deeply pinnatifid and linear-lanceolate. Pinnae oppo- 

 site, elongate, acuminate, membranaceous, and from ten to twelve 

 pairs. 



Yeins arcuately anastomosing, and with excurrent venules 

 terminating in the areoles, and bearing sporangia on their 

 combined apices. 



Sori naked, circular, uniserial, medial, prominent, about twenty- 

 five pairs on each segment, and orange yellow in colour. 



