487. Ci/stopteris fragilis Bernli. 



PolypoGiacere. — Cryptogamia, Filicec. 



488. Woodsia ilveiisis Br. 



Polypodiaceoe. — Cryptogamia, Filioes. 



489. As])lenium Filu' foeminn l^Tiih. 



Polypodiaceae. — Cryptogamia, Filices. 



490. Asjdenium Trichommies L. 



Polypodiacca;. — Cryptogamia, Filices. 



491. Af<plenviim HeytentrioiKile Hoffiii. 



PolypodiafiCic. — (/ry])togamia, Filices. 



492. Pteris aquilina L. 



Polypodiacex'. — Cryptogamia, Filices. 



