Pinna of muture Frond— upper side. 



ASPIDIUM MARGmALE. 



SwARTZ. KuxzE. Link. Willdenow. Sprengel. Fee. 



PLATE YI. VOL. VI. 



Lastrea marg'malis, 

 NepJirodium r.iarginale, 

 Polijpodiuni " 



Peesl. Mooee & HouLSTON. Smith. 



MiCHAUX. 

 LlNN^US. 



Aspidiuni — The Shield Fern. 



Marginalis. 2Iargin — Spored. 



In the Section Lastrea of Authors. 



An attractive Fern, with sori arranged along the edge of the 

 frond, covered with a pure white indusium. 



A deciduous hardy Fern. 



Native of Nortli America, Canada, and Carolina. 



Introduced into the Royal Gardens, Kew, in 1772. 



Fronds lanceolate, bipinnate, pinnae oblong-acuminate in form, 

 pinnules oblong-ovate, obtuse, crenate on the edge, and largest 

 nearest the rachis. Fronds terminal, adherent to a tufted rhizoma, 

 forming large crowns. 



Rachis and stipes paleaceous. 



Sori marginal. 



For plants of this species I am indebted to Mr. R. Sim, of 

 Foot's Cray; and for fronds to Mr. Norman, of Hull. 



