CL. 

 POLYPODIUM VULGARE. 



Common Polypody. 



Class XXIV. Cryptogamia.— Order I. Filices. 



Nat. Ord. Filices. 



Gen. Char. Sort in small roundish scattered convex 

 spots. Involucre none. 



Spec. Char. Fronds deeply pinnatifid, segments linear, 

 lanceolate, obtuse, crenulate, contiguous, upper ones gra- 

 dually smaller. Root-stock chaffy. 



SYNONYM ES. 

 Greek .... voXvirobiov. 



f Polypodium vulgare. Bauh. Pin. 359. 



I Polypodium. Ger. Em. 1132. 

 _ . j Filicula sive Polypodium. Cam. Epit. 993. 



j Polypodium majus et minus. Dod. Pempt. 461. 



I Polypodium vulgare. Lin. Sp. PI. 1544. Eng. El. ii. p. 280. 



^ Eng. Bot. t. 1149. 

 French. . . Polypode ; Polypode de chene. 

 Italian. . . Polipodio ; Felce quercina. 

 Spanish . . Polipodio. 

 Portuguese Polipodio. 



German . . Engelsiiss ; Sussfarren ; Tupfelfarren ; Steinwurz. 

 Dutch. . . . Boomvaren ; Engelzoet. 

 Danish .. Engelsoedt. 

 Swedish . . Stensoeta. 

 Polish .. Paprotka. 



Description. — The rhizoma is creeping, ligneous, horizontal, 

 dark brown externally, greenish internally, covered with red- 

 dish membranous scales, and furnished with dark coloured 

 fibres. The fronds are about a foot in length, deeply bipinna- 

 tifid, with linear -lanceolate, alternate, parallel, obtuse segments, 



