Tennessee Flora. 173 



CHRYSANTHEMUM L. 



Chrysanthemum Leucanthemum L. Ox-eye daisy. O. S. 

 May-July. ' 



MATRICARIA L. 



Matricaria Chamomilla L. German chamomile. Formerly 

 cultivated by early settlers as a medicinal herb, and now occa- 

 sionally in fields. June, July. 



TANACETUM L. 



Tanacetum vulgare L. Tansy. Cultivated and in waste 

 grounds. July, August. 



ARTEMISIA L. 



Artemisia Absinthium L. Common wormwood. Rarely on 

 waste grounds near gardens. Adventive from Europe, and 

 , frequently in gardens. July, September. 



A. annua L. Adventive from Asia, but widely disseminated 

 and abundant near Nashville. September, October. 



A. biennis Willd. W. Tenn. Copiously on the banks of 

 the Ohio River at Louisville. September, October. 



A. Mexicana Willd. W. Nashville, on open grounds. Sep- 

 tember, October. 



ERECHTITES Raf. 



Erechtites hieracifolia R. In clearings. O. S. June, July. 



MESADENIA Raf. (Cacalia Nutt.) 



Mesadenia reniformis (Miihl.) Raf. Cacalia reniformis 

 Miihl. Great Indian plantain. Cumberland and Alleghany 

 Mts. July, August. 



M. atriplicifolia (L.) Raf. Rich woodlands. O. S. July. 



M. tuberosa (Nutt.) Britton. Wet places in the cedar 

 glades. July, August. 



SYNOSMA Raf. 



Synosma suaveolens (L.) Raf. Cacalia suaveolens L. 

 Banks of TurnbuU Creek, near Kingston Springs. July, Au- 

 gust. 



SENECIO L. 



Senecio obovatus Miihl. Squaw weed. S. Aurens van ob- 

 ovatus T. & G. Moist soil. M. Tenn. April- June. 



S. Balsamitae Miihl. S. aurens var. Balsamitse T. & G. 

 Ducktown. E. Tenn. May-July. 



S. Smallii Britt. Banks of Wolf Creek. E. Tenn. 



S. aureus L. Golden ragwort. Swamps and wet meadows. 

 O. S. May-July. 



