142 
Trans, Acad. Sci. of St. Louis 
Helianthus heterophyllus Nutt. 6979 Heber Springs, 
Cleburne Co. 
Hymenopappus carolinensis (Lam.) Porter. 27052 
Berryville, Carroll Co. 
Lactuca canadensis L. Fayetteville, Washington Co. 
Lactuca scariosa var. integrata Gren. & Godr. 
Common over entire state. 
Liatris squarrosa var. intermedia (DC.) T. & G. 
23061 Hot Springs, Garland Co. 
Matricaria suaveolens (Pursh.) Buchenau. Fay- 
etteville, Wheeler, Washington Co. Introduced. 
Mikania scandens (L.) Willd. St. Francis River 
Swamps (S. M. Coulter). 
Parthenium hispidum Raf. (Parthenium repens 
Eggert). 5591 Beaver, 27059 Berryville, Carroll 
Co. 
Pluchea petiolata Cass. 314 Texarkana, Miller 
Co.; 4756 Cotter, Marion Co. ; 
Verbesina virginica Iu. 274 Rich Mountain (at 
summit), Polk Co. 
Lepachys columnaris (Sims) T. & G. Prairie 
Grove, Washington Co.; 8024 Fulton, Hempstead 
Co.; 8216 Benton, Saline Co. 
Rudbeckia Brittonii Small. Fayetteville, Wash- 
ington Co. 
Senecio obovatus var. rotundus Britton. 7201 
McNab, Hempstead Co.; 26866 Hot Springs, Gar- 
land Co.; 24444 Little Rock, Pulaski Co. 
