50 FLORA OF MISSOURI. 



824. Canadensis, Michx. 



Pike, (Pech). 



825. caudata, Michx. 



(Torrey & Gray). 

 •826. dracunculoides, Pursh. 



Jackson, (Bush), 8t. Louis, (Engelmann). 



827. frigida. Wild. 



(Torrey & Gray). 



828. Ludoviciana, Nutt. Western Mugwort. 



Common. 



829. vulgaris, L. • Common Mugwort. 



Common westward. 

 S30. Senecio aureus, L. Squaw- weed. 



Common everywhere. 



831. var. Balsamita, T. & G: 



Jackson, (Bush). 



832. lobatus, Pers. Butter-weed, 



Common. 



833. tomentosus,Mx. Wooly Ragwort. 



Pike, (Pech). 



834. vulgaris, L. Common Groundsel 



Boone. (Tracy). 



835. Cacalia atriplicifolia, L Pale Indian Plantain. 



Common in damp woods. 



836. reniformis, Muhl. Great Indian Plantain. 



Boone, (Tracy). 

 ■837. suaveolens, L. Indian Plantain. 



Pike, (Pech). 



'838. tubrosa, Nutt. Tuberous Indian Plantain. 



Common. 



■839. Erechthites hieracifolia, Raf. Fireweed. 



Common. 



840. Artium Lappa, L. Burdock. 



Common in rich ground. 



841. Cnicus altissimus, Willd. Tall Thistle. 



Common. 



842. var. discolor, Gray. 



Jackson (Bush). 



843. arvensis, Hotf. Canada Thistle. 



Very rare, but has been found in Cass, Jackson and 

 one or two other counties. 



