TAB. LVI 



POLYPODIUM SCOULERL 



FILICES. — Gyrat^e. Br. 



PoLYPODiACEiE. Kaulf. Filices verae. Willd., Spreng. 



Gen. C 



POLYPODIUM, Swartz. Sori subrotundi (seriati, sparsi, v. conferti). Involu 



crum nullum. Br. 







Polypodium Scouleri; fronde coriacea profunde pinnatifida, lobis subquinis oblongis obtusissimis 



obscure crenatis basi sublobulatis, terminali majore sorifera, soris approximatis biserialibus. 



I 



. _ 



Hab. Prope flumen Columbiam, in plaga occidentali Americae Septentrionalis. D. Scouler. 



Cau&ex repens, squamoso-setaceus, squamis subulatis, fuscis. 

 Stipes uncialis, erectus, nudus, dorso semicylindraceo, superne canaliculatus. 



Frons, circumscriptione late ovata, profunde pinnatifida, coriacea, lobis plerumque quinque oblongis, obtusissimis, 



/osis, glaberrimis, basi sublobulatis, lateralibus sesquiuncialibus, terminali 



obscure crenatis, costatis, subnervosis, 



majori, biunciali et ultra, sorifero. 

 Rachis fusca, glabra. 

 Sori in duas lineas arcte dispositi, fusci, rotundati, prope costam vel racliin inserti. 





Cajpsulce subrotundse, fuscae, longissime stipitatae, stipite articulato. 

 Semina oblonga, vel subreniformia, sub summa lente reticulata, flava. 

 Fig. 1 . Capsulae cum stipitibus. f. 2. Semina : — magn. auct. 



Among the interesting collection of plants which Dr. Scouler has recently brought from the 



Nof th-West coast of America is the present very distinct sp 



of Fern. It may perhaps rank 



next to Polypodium vulgare, but is distinguished from that, as from every other of the same 





division, by the small number of lob 



th 



relative breadth and length, their bluntness, and the 



large terminal one with its distinct and prominent spots of fructifi 







- 







