816 ' .REPORT OF STATE GEOLOGIST. 



ler); Decatur (Ballard); Knox (Spillman); Hamilton and Marion 

 (Wilson); Steuben (Bradner). 



LINACE^E. Flax Family. 

 LINUM L. 



L. usitatissimum L. FJax. Linseed. 



In many counties of the State along roads and railways and 

 also as an escape from cultivation. It maintains itself well and 

 spreads rapidly in most parts of the State. 



Flowers in June and July. 



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

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

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

 (Baird and Taylor). 



L. Virginianum L. Wild Yellow FJax. 



' Chiefly found in the southern counties of the State in shaded 

 places. It is found in rather dry, sandy or clayey soil, and is 

 nowhere abundant. 



Flowers from June through August. 



Monroe and Vigo (Blatchley); Gibson and Posey (Schneck); 

 Tippecanoe (Hussey); Franklin (Meyncke); Clark (Baird and 

 Taylor). 



L. striatum Walt. Kidged Yellow Flax. 



In the southern part of the State in wet soils. I have not seen 

 the plant, but the species is admitted upon the authority of Dr. 

 John M. Coulter. 



Flowering specimens collected June 19. 



Jefferson (J. M. Coulter). 



L. sulcatum Riddell. Grooved Yellow Flax. 



Found only in the northern part of the State in dry, sandy soil. 

 Flowering specimens were collected on July 28. 

 Jasper (Barnes); Lake (Hill). 



RUTACE.E. Rue Family. 

 XANTHOXYLUM L. 



X. Americanum Mill. Prickly Ash. Toothache Root. 



A small tree, sometimes reduced to a shrub, which is generally 

 distributed over the State. It rarely reaches a height of over 

 twenty feet and a diameter -of from six to eight inches. It is 



