36 



THE FERN BULLETIN 



been furnished by V. H. Chase, who collected in Stark 

 county and vicinity, and by Prof. Atwell of the North- 

 western University, from data in the herbarium of the 

 University. 



OPHIOGLOSSACEAE. 



Ophioglossum vulgatum (L.) " Wabash county, a 

 single plant." Schneck." (P.) Probably else- 

 where, but easily overlooked. 



Botrychium obliquum (Muhl.) In open woods, 

 Cook Co., rare. "S. Illinois. Vasey, Sehneck." 

 (P.) Peoria Co., V. H. Chase. Starved Rock. 

 /. H. Ferriss. 



Botrychium obliquum dissectum. (Spreng.) 

 Peoria Co., V. H. Chase. 



Botrychium virginianum. (L.) Common in rich 

 woods in the northeastern part of the state, and 

 probably throughout. It often occurs in colonies, 

 sometimes of a dozen or more plants. In woods 

 along Lake Michigan it reaches a height of two 

 feet. 



OSMUNDACEAE. 



Osmunda cinnamomea. (L.) Abundant in swampy 

 areas in the northesatern counties, especially in peaty 

 ground near Lake Michigan within the limits of the 

 ancient glacial Lake Chicago. Swampy areas in 

 sand barrens west of Kankakee, "Menard county. 

 Hall/' (P.) Starved Rock. Clute. 



Osmunda Claytoniana (L.) Frequent in swamps 

 and wet woods from Kankakee county north in the 

 eastern part of the state. Peoria, BrendeL Hen- 

 derson Co., Patterson. "Moist ravines, common/' 

 says Patterson for the state at large. 



Osmunda regalis (L.) Has a range similar to the 

 last and is quite frequent northeast in swamps and 



