232 



WEEDS OF THE FARM AND GARDEN 



tips ; ray flowers white. In dry, open fields and roadsides 

 from New England to Minnesota. The small-flowered 

 white aster (A. multiflorus) is a pale, pubescent, branch- 

 ing 1 perennial one foot or more tall; leaves small and 

 rigid, crowded and spreading with ciliate margins, the 



upper small and scalelike; 

 heads small ; ray-flowers 

 white. Abundant along road- 

 sides and in dry soil in the 

 northern states. The New 

 England aster (A. novae- 

 angliae) with violet-purple 

 ray-flowers is common in low 

 grounds. A large number of 

 species in the United States, 

 but few of them are trouble- 

 some weeds. 



Willow-leaved Aster (Aster 

 salicifolius, Ait.). This aster 

 is a tall plant with flowers in 

 racemose clusters, purplish to 

 white. It is common west- 

 ward, sometimes a trouble- 

 some weed. 



Whiteweed, Fleabane 

 (Erigcron ramosus, (Walt.) 

 B. S. P.). Stem and leaves somewhat hirsute and hairy, 

 roughish ; leaves entire or nearly so ; the upper lanceo- 

 late, the lower oblong or spatulate ; heads borne in co- 

 rymbose panicles ; ray-flowers white and twice as long as 

 the scales of the involucre ; achenes small, pappus double, 

 the inner row of fragile bristles. From Nova Scotia, 

 to Florida, west to Louisiana and Texas to Northwest 

 Territory. The E. annuus is a larger, hairy plant, 

 branched above leaves coarsely and sharply toothed. In 

 clover and timothy meadows and woods. 



Fig. 145. Whiteweed (Erigeron 

 annuus). (C.M.King.) 



