920 REPORT OF STATE GEOLOGIST. 



CHELONE L. 



C. glabra L Snake- head. Turtle-head. 



In marshes and low, wet grounds chiefly in the northern part 

 of the State, though sparingly found as far south as Vigo County. 



Flowers from July until September. 



Tippecanoe (Cunningham); Cass and Fayette (Hessler); Jeffer- 

 son (J. M. Coulter); Putnam (MacDougal); Gibson and Posey 

 (Schneck); Jay, Delaware, Randolph, and Wayne (Phinney); No- 

 ble (Van Gorder); Clark (Baird and Taylor); Decatur (Ballard); 

 Vigo (Blatchley); Hamilton and Marion (Wilson); Steuben 

 (Bradner). 



C. obliqua L. Red Turtle-head. 



Reported from but few counties in the State. It is found in 

 wet thickets and along streams or by the shores of lakes. 



Flowers in July and August. 



Gibson (Schneck); Hamilton and Marion (Wilson); Putnam 

 (MacDougal). 



PENTSTEMOX Soland. 



P. hirsutus (L.) Willd. Hairy Beard-tongue. 

 (P. pubescens Soland.) 



In dry woods and thickets, on the borders of prairies and on 

 sandy or gravelly banks. Preferring soil heavily mixed with 

 sand or gravel. Found throughout the State. 



Flowers from May through July. 



Daviess (Clements); Cass (Hessler); Jefferson (Barnes); Mon- 

 roe and Vigo (Blatchley); Putnam (MacDougal); Gibson and 

 Posey (Schneck); Jay, Delaware, Randolph, and Wayne 

 (Phinney); Noble (Van Gorder); Franklin (Meyncke); Clark 

 (Baird and Taylor); St. Joseph (Rothert); Hamilton (Wilson); 

 Steuben (Bradner). 



P. Digitalis (Sweet) Nutt. Foxglove. 



(P. laevigatus Digitalis Gray.) 



Found chiefly in the southern part of the State in rich, moist 

 soil, usually in thickets or open woods. Not reported to occur 

 north of Jay County. 



Flowers in May and June. 



Gibson and Posey (Schneck); Clark (Baird and Taylor); Jay, 

 Delaware, Randolph, and Wayne (Phinney); Dearborn (Collins); 

 Jennings (Barnes); Daviess (Clements); Hamilton and Marion 

 (Wilson). 



