996 REPORT OF STATE GEOLOGIST. 



TANACETUM L. 



vulgare L. Tansy. 



Established in almost every part of the State, and becoming 

 more and more common. Chiefly along roadways or near aban- 

 doned gardens. 



Flowers from July through September. 



Fayette (Hessler); Steuben (Bradner); Daviess (Clements); 

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

 (Phinney); Franklin (Meyncke); Gibson and Posey (Schneck); 

 Jefferson (J. M. Coulter); Noble (Van Gorder); Tippecanoe (Cun- 

 ningham); Putnam (MacDougal); Hamilton and Marion (Wilson). 



ARTEMISIA L. 



A. caudata Michx. Tall or Wild Wormwood. 



Confined to sandy soil in the northern part of the State. A 

 character plant of the upper beach stretches in Lake and Porter 

 counties. Only one report of its occurrence inland, in which 

 case the station is on the sandy beach of an extinct lake. 



Flowers from July until October. 



Fulton and Cass (Hessler); Lake (Hill); Porter (Cowles). 



A. Canadensis Michx. Canada Wormwood. 



Found associated with the preceding upon the upper beach of 

 the shores of Lake Michigan. 



Flowering season as in the preceding. 

 Lake (Hill); Porter (Cowles). 



A. Absinthium L. Common Wormwood. 



Very occasionally established in waste places and barely main- 

 taining itself from year to year. 

 Flowers July to October. 



Gibson and Posey (Schneck); Fayette (Hessler); Steuben 

 (Bradner). 



A. Abrotanum L. 



On the bank of the Ohio River, where it seems to have become 

 firmly established. 



Collected in flower the 8th of August. 

 Jefferson (J. M. Coulter). 



