238 UNIVERSITY OF MISSOURI STUDIES [S^O 



1022. 0. vulgare (L.) Bernh. [T. vulgare L.]. Tansy. 

 Roadsides; uncommon. 



Europe and Asia, thence to North America. 



419. ARTEMISIA L. Wormwood. 



1023. A. annua L. Annual wormwood. Common mug- 

 wort. 



Roadsides; locally commcn. 



Europe and Asia, thence to North America. 



420. EREGHTHITES (EREOHTITES) Raf. 



Fireweed. 



1024. E. hieracifolia (L.) Raf. Common fireweed. 

 Burnt places in woods and in low grounds. 

 Newfoundland to the Northwest Territory; Florida 



to Louisiana; Mexico. 



421. OACALIAL. lMESADENIA'?^2.i\ Indian 

 plantain. 



1025. 0. reniformis Muhl. [il/. re?iiformis (Muhl.) Raf.]. 

 Great Indian plantain. 



Deep ravines; infrequent. 



New Jersey to Minnesota; Georgia to Tennessee and 

 Missouri. 



1026. C. atriplicifolia L. [J/. aM//2«/c/z,2 (L.) Raf.]. Pale 

 Indian plantain. 



Common in thickets and open grounds. 



Ontario and Michigan to Minnesota; Florida to Kansas. 



1027. C. tuberosa Nutt. [yJ/. tuberosa (Nutt). Britton]. 

 Tuberous Indian plantain. 



Wild pasture five miles east of Columbia. 

 Ontario and Michigan to Minnesota; Alabama to 

 Louisiana. 



422. SENEOIO L. Groundsel. 



1028. S. tomentosus Michx. Woolly squaw-weed. 

 Scarce on moist banks and shady ledges. 



New Jersey to Missouri; Florida to Texas. 



