FLOWEKING PLANTS AND FERNS OF INDIANA. 921 



P. Pentstemon (L.) Britton. Smooth Beard-tongue. 



(P. laevigatus Soland.) 



Common in moist woods and thickets in the southern counties, 

 sparingly found in drift soils farther north. Not reported north 

 of Cass County. 



Flowers from May until July. 



Daviess (Clements); Cass and Fayette (Hessler); Jefferson (J. 

 M. Coulter); Jennings (Barnes); Vigo (Blatchley); Putnam (Mac- 

 Dougal); Clark (Baird and Taylor); Knox (Spillman); Marion. 



COLLINSIA Nutt. 



C. verna Nutt. Blue-eyed Mary. Innocence. 



In moist, shaded places in many counties, being much more 

 common in the southern counties. The species is found spar- 

 ingly, however, throughout the northern counties. Easily recog- 

 nized by the differing colors of its upper and lower lips. One 

 of the most attractive of our early flowers. 



Flowers from April until June. 



Jefferson (Barnes); Monroe and Vigo (Blatchley); Gibson and 

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

 ney); Noble (Van Gorder); Franklin (Meyncke); Dearborn (Col- 

 lins); Knox (Spillman); Tippecanoe (Coulter); Hamilton (Wil- 

 son); Steuben (Bradner). 



MIMULUS L. 



M. ringens L. Square-stemmed Monkey flower. 



In swamps and along the low banks of streams and lakes, pre- 

 ferring loam soil. Where sand cuts down through the loam, the 

 species rapidly disappears. Widely distributed. 



Flowers from June until September. 



Tippecanoe (Cunningham); Jefferson (J. M. Coulter); Vigo 

 (Blatchley); Putnam (MacDougal); Gibson and Posey (Schneck); 

 Jay, Delaware, Randolph, and Wayne (Phinney); Noble (Van 

 Gorder); Franklin (Meyncke); Clark (Baird and Taylor); Vermil- 

 lion (Wright); Fayette (Hessler); Steuben (Bradner). 



