896 REPORT OF STATE GEOLOGIST. 



LITHOSPERMUM L. 



L. arvense L. Corn Gromwell. 



Indicative of dry, usually sandy soil. Found in many parts 

 of the State, but especially abundant in the northern counties. 

 It is found along railways, in waste places, sometimes taking pos- 

 session of cultivated fields. 



Flowers from May until late in August. 



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

 son (Barnes); ISToble (Van Gorder); Jay, Delaware, Randolph, and 

 Wayne (Phinney); St. Joseph (Rothert); Knox (Spillman); Vigo 

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

 (Bradner). 



L. officinale L. Gromwell. 



Dry soil in fields and waste places. Common in the southern 

 counties, not found in the northern. 



Flowering from May until August. 



Clark (Baird and Taylor); Jay, Delaware, Randolph, and 

 Wayne (Phinney); Franklin (Meyncke); Jefferson and Tippe- 

 canoe. 



L. latifolium Michx. American Gromwell. 



In various parts of the State in dry soil in thickets or waste 

 fields. Prefers sandy or gravelly soil and is more abundant in the 

 northern counties. 



Flowers in May and June. 



Noble (Vau Gorder); Jay, Delaware, Randolph, and Wayne 

 (Phinney); Jefferson (J. M. Coulter); Franklin (Meyncke); Gib- 

 son and Posey (Schneck); Fayette (Hessler); Vigo (Blatchley). 



L. Gmelini (Michx.) A. S. Hitchcock. Hairy Puccoon. 



(L. hirtum Lehm.) 



Common in dry, sandy soil throughout the State. A conspicu- 

 ous member of the flora of the dune region. Very abundant 

 wherever found, but of more numerous stations in the northern 

 part of the State. 



Flowers from April through June. 



Cass (Hessler); Laporte (Barnes); Vigo (Blatchley); Noble Van 

 Gorder); Clark (Baird and Taylor); Jefferson (J. M. Coulter); 

 Gibson and Posey (Schneck); Tippecanoe (Noel); Knox (Spill- 

 man); Steuben (Bradner). 



