320 



WEED FLORA OF IOWA 



Fig. 184-A. Distribution of Willow-leaved Aster. 



Fig. 185. Aster paniculatua. a. Plant Hair. Common in low grounds every- 

 where in Iowa. White ray flowers, sometimes purplish. 

 (Photographed by Colburn. Drawing by Charlotte M. King.) 



The Aster tradescanti L., is closely related to A. paniculatus, but 

 has smaller leaves and shorter rays. The leaves are lanceolate to 

 linear. The bracts are linear or acutish. 



