THE FERN BULLETIN 



37 



wet woods. Peoria, Brendcl. Mason county, Bcbb. 

 Infrequent says Patterson for the state as a whole. 



POLYPODIACEAE. 



Adiantum pedatum (L. ) Common throughout the 

 state in rich woods. 



Polypodium vulgare (L.) On cliffs of sandstone, 

 La Salle and Ogle counties. ''Common in Jackson 

 and Union, French, Forbes." (P.) 



Polypodium polypodioides (L.) Common through- 

 out, the state in rich woods. 



Pteris aouilina (L.) Copses and borders of dry 

 woods. Frequent, or abundant in localities north- 

 east. Starved Rock, LaSalle county, Peoria, Brendel, 

 Henderson, Patterson, Shelby, Mary Everts. "Com- 

 mon." for the state. (P.) Rare in Will county in 

 the prairie region. Clute. 



Cheilan'thes lanosa (Michx.) "Rocks, St. Clair 

 county, Brendel '. and southward." (P.) 



Chilanthes Feei (Moore.) Limestone cliffs by Mis- 

 sissippi river, Carroll county, "near Galena, Bren- 

 del; Pike county, Micad ; Jackson, French." (P.) 



Pellaea atropurpurea (L.) Frequent on cliffs of 

 limestone along the Desplaines river and its tribu- 

 taries from Sag Bridge, Cook county, to Joliet, Will 

 county, and in Kankaee and Carroll counties. Scarce 

 on cliffs of sandstone, Oregon, Ogle county. Hen- 

 derson county, Patterson; Kane county, W . J. 

 Minium; Wedron, LaSalle county, Ferriss. Reported 

 for the state as general but "infrequent" in Patter- 

 son's catalogue. 



Pellaea gracilis (Michx.) Rare in thin soil in 

 shelves of shaded and usually moist calcareous 

 rocks. Sag Bridge and Lemont, Cook county, and 

 Bounbonnais, Kankakee county. On moist sandstone 



