40 



THE FERN BULLETIN 



"north part of Cook county," Higley and Raddin; 

 Henderson, Patterson; Peoria, Brendel; Jackson, 

 Bartley. For the state, "infrequent." (P.) The 

 variety incisum is occasionally reported. 



Cystopteris bulbifera (L.) Frequent on shelves and 

 in crevices of limestone cliffs and shady ravines in 

 the Desplaines valley in Cook and Will counties, 

 and in Kankakee county, Henderson, Patterson, 

 Peoria, Bredel; Starved Rock, abundant, Clute. 

 Patterson reports for the state, "shaded rocks, fre- 

 quent." 



Cystopteris fragilis (L.) Rather frequent in rich 

 woods and occasionally on rocks in Cook, Lake, Du- 

 page, Will and Kankakee counties; Henderson, 

 Patterson; Peoria, Brendel; Jackson, Bartley. 

 "Common" for the state. (P.) Very variable in its 

 forms. 



Woodsia obtusa ( Spreng. ) Scarce on limestone rocks 

 at Lemont, Cook county, abundant on sandstone at 

 Oregon, Ogle county, "Marion county, Bebb; Wa- 

 bash, Schneck; and southward." (P.) Joliet, Will 

 county, Ferriss. 



Woodsia ilvensis (L.) "On sandstone cliffs near 

 Oregon, Ogle county, Bebb." (P.) 



Onoclea sensibilis (L.) Common in wet woods and 

 swamps in the northeastern counties. Peoria, 

 Brendel; Jackson, Bartley. For the state "com- 

 mon." (P.) 



Onoclea struthiopteris (L.) Wet shades, Starved 

 Rock, La Salle county, Henderson, Patterson; 

 Peoria, Brendel) Fulton, Wolff. For the state "in- 

 frequent." (P.) 



Dicksonia punctilobula (Mic'hx.) "Wabash 

 county, Schneck." (P.) 



