FLOWERING PLANTS AND FERNS OF INDIANA. 917 



C. rotundifolia Langsdorfiana (A. DC.) Britton. 

 (C. rotundifolia arctica Lange.) 

 This form is also confined to the region about Lake Michigan, 

 with the exception of a station in Cass County. 



Kcported from Laporte (Barnes); Lake (Hill); Cass (Hessler). 



C. aparinoides Pursh. Marsh Bellflower. 



A somewhat common form in the marsh lands of the northern 

 counties. Its habit of growing in grassy grounds perhaps ac- 

 counts for the few stations definitely reported. 



Tippecanoe (Cunningham); Kosciusko (Coulter); Laporte 

 (Barnes); Lake (Barnes); Marshall (Coulter); Steuben (Bradner). 



C. divaricata Michx. Panicled Bellflower. 

 On rocky banks and hillsides. 

 Flowers from June until September. 

 Monroe (Dudley). 



C. Americana L. Tall Bellflower. 



Generally distributed throughout the State, but reaching its 

 highest development in rich, wet soil. In such regions it fre- 

 quently readies a height of 10 feet, with the spicate inflorescence 

 covering from two and one-half to three feet. In dry localities 

 the size is much reduced, the petioles as a rule are without mar- 

 gins and the epidermis is very manifestly thickened. 



The flowering season opens in June and continues until in 

 September. 



Specimens examined from Tippecanoe (Cunningham); Kosci- 

 usko (Coulter); Daviess (Clements); Jefferson (Barnes); Fayette 

 (Hessler); Hamilton and Marion (Wilson); Steuben (Bradner). 



LEGOUZIA Durand. 



L. perfoliata (L.) Britton. Veuus's Looking-glass. 

 (Specularia perfoliata A. DC.) 



In exposed situations in rather poor soil. 



The flowering season extends from May through August. The 

 flowers are open in the earlier hours of the day. usually closing 

 between two and three o'clock or on bright, sunny days as early 

 as noon. 



Tippecanoe (Cunningham); Jefferson and Kosciusko (Coulter); 

 Daviess (Clements); Knox (Spillman); Hamilton and Marion 

 (Wilson); Case i Eessler); Vigo and Monroe (Blatchley). 



