322 



WEED FLORA OP IOWA 



Fig. 186-A. Distribution of Whiteweed. 



Wallace 's Farmer states concerning its eradication : ' ' One of the 

 worst enemies of the meadow, and especially the timothy 

 meadow in the west, is a peculiar form of daisy to which farmers 

 give the name of whiteweed. It may be seen in full bloom about 

 the time timothy heads out, and if not dealt with on its first ap- 

 pearance in the timothy field it is only a question of time when 

 the hay will be from one-fourth to one-half whiteweed. If the 

 farmer is vigilant and goes through and pulls out these weeds on 

 their first appearance, he can protect his timothy meadows. If he 

 fails to do this, it is only a question of time when he will have to 

 plow them up." 



Daisy Fleabane (Erigeron ramosus (Walt.) B S P) 



Description. — This resembles the preceding species except that 

 the stem and leaves are somewhat more hirsute and hairy ; leaves 

 roughish, entire or nearly so, the upper lanceolate, the lowest ob- 

 long or spatulate ; flowers white and smaller than in the preceding 

 species. 



Distribution. — Daisy fleabane is native from New England to 

 Arkansas. Common in Iowa, particularly in drier situations, clover 

 meadows and timothy fields. 



Extermination. — This weed is common in timothy and clover 

 meadows. The seed is often found in clover and timothy seed. 

 Care should be used to sow only clover and timothy seed that does 



