Pinna of mature Frond — under side. 



POLYPODIUM VACILLANS. 



Link. Kunze. 



PLATE XXII. VOL. II. 



GoniopJilehium vacillans, 

 Polypodium baccilare, 



" rej)andulum, 



J. Smith. 

 SCHOTT, M.S. 



Kaulfuss. 



Polypodium — Polypody. 



Vacillans — Wavering. 



In the Section Goniophlebium of Authors. 



An exceedingly rare Fern, which I received, in 1856, from 

 M. Schott, from the Imperial Gardens of Vienna, a plant of 

 which I have this year forwarded to the Royal Gardens, Kew, 

 and from which Mr. Smith recognises it as the Polypodium 

 vacillans of Link. It partakes somewhat of the characters of 

 P. harpeodes, (Plate XVIL, Yol. IL,) and P. Catharince, (Plate 

 XLIV., Vol. I.) 



An evergreen stove Fern. 



Native of Brazil. 



Frond pinnatifid, broadly lanceolate, about twenty-three pairs of 

 pinnae or segments, (and a larger ultimate one,) which are oblong- 

 obtuse in form, rugous, and largest at the base of the frond, 

 gradually becoming smaller nearer the apex; length of largest 



