THE FERX BULLETIN 



113 



widely distributed species. It is included in nearly 

 every county list. 



Oxoclea sensibilis L. Distributed throughout the 

 State in marshy places. Recorded from Lake, Owen 

 and Wells (Deam), Monroe and Vigo (Blatchley) , 

 Hamilton and Marion (Coulter), Clark, Floyd and 

 Martin. It was found by the writer growing on a 

 wet cliff of New Albany black shale on Silver Creek, 

 Floyd County. 



Onoclea struthiopteris (Hoff). Very rare in In- 

 diana. Recorded only from Montgomery by Coulter 



Woodsia obtusa (Spreng.). Common in the south- 

 ern half of the State. Deam reports it as far north 

 as Wells. 



Dicksonia puxctilobula (Michx.). With the ex- 

 ception of a record of this species from Steuben by 

 Bradner. it seems to be confined to the southern 

 counties. It is reported from Gibson (Schneck) , 

 Martin, Floyd and Clark. In the latter it forms 

 large clusters on the black shale cliffs of Silver Creek 



SALVINIACEAE. 

 Azolla Caroliniana Willd. Reported by Coulter. 

 No specific locality mentioned. 



EQUISETACEAE. 



Equisetum arvense. L. This species has been re- 

 ported from counties in all parts of the State and 

 probably is to be found throughout in favorable situ- 

 ations. Scovell and Clark report var. dcaimbens* 

 and var. pscudosilraticum * from Marshall and 

 Deam reports var. borcalc Bong, from Allen. 



Equisetum fluviatile L. Reported from Vigo 

 (Blatchley) , Lake (Hill and Deam), Kosciusko 

 (Clark and Deam), Marshall (Scovell and Clark). 



These and other species reported bv ^rovcll and Clark are identified by A. 

 A. Eaton and are in the Smithsonian Institution herbarium. 



