226 
XXIV. Ferns. Crypt. Filiceg. 
Polypody. Poly PODIUM. Gen. PI. 1632. 
Capsules disposed in roundish dots over the 
under surface of the frond. 
735. Common Polypody. — - P. vulgare. 
Fronds with winged divisions, wings oblong, 
somewhat serrated, blunt, root scaly. — 
Curtis. I. 68. Woodville. 271. 
Old Walls, Roots of Trees, June, P. Common. 
Ohs: 
Fructijications in 2 roxt's, parallel. 
736. Crested Polypody. — P. cristatum. 
Fronds almost doubly winged, leafits ovatc- 
oblong, wings bluntish, sharply serrated at 
the point. — Bolton. 23. 
?d[oist Woods and Bogs, June, P. Rare. 
Potion Marshes y— As pley Wood. 
Ohs : 
Leaves paler than in the other species of this genus. 
737. Male Polypody. — P. Filix mas. 
Fronds doubly winged,’ wings blunt, finely 
scolloped, stalk chafiy. — Woodville. 49. 
Woods, June, P. Common. 
738. Fe^nale Polypody. — P., Filix faemina. 
Frond doubly winged, smaller wings spear- 
shaped, with winged divisions, pointed. — 
Blackwell. 325. 
Moist 
