Portion of mature Frond. 



POLYPODIUM DECUMANUM, 



WiLLDENOW. KUNZE. 



PLATE XLV. VOL. II. 



Phlehodium decumanum, 

 Polypodium pulvinatum, 

 Chrysopteris pulvinatu, 

 Phlebodium pulvinatum, 



J. Smith. Moore and Houlston. 



Link. 



Link. 



J. Smith. 



Polypodium — Polypody. 



Decumanum — Tall. 



In the Section Phlebodium of Authors. 



Another interesting Fern closely allied to Polypodium au- 

 reum, Polypodium sporadocarpum, and another species figured 

 in Plate XII, f Polypodium areolatum. ) The fronds are much 

 narrower and more slender than Polypodium aureum, and not 

 nearly so glaucous as that species. 



An evergreen stove species. 



Native of Jamaica, South America, and Brazil. 



Fronds glabrous, slender, pinnatifid, the segments being lan- 

 ceolate-acuminate and membranous, slightly serrated on the 



edge, 



and from six to eight inches in length. 



Fronds lateral, articulate on a creeping scaly rhizoma. 

 Sori uniserial, circular, and immersed. 



