Trans. Acad, Sci. of St. Louis 
Sonchus oleraceus L. Fayetteville, Washington 
County and elsewhere (a common weed). 
Tragopogon porrifolius L. Fayetteville, Wash- 
ington Co. (as a weed). 
Taraxacum erythrospermum Andrz. Conway, Faulk- 
ner Co. 
Vernonia missurica Raf. 300 Texarkana, Miller Co. 
Xanthium glabratum (DC.) Britton. 316 Tex- 
arkana, Miller Co. 
