WEEDS OF ARABLE LAND 91 



June to August. The plant is much branched, and in 

 general appearance resembles A. arvensis and Matricaria 

 inodora, but is smooth. The leaves are bipinnate, and 



FIG. 24. Left : Corn Marigold (Chrysanthemum segetum L. ), x \, 

 Right: Stinking Mayweed (Anthemis Cotula L.), x. 



divided into narrow hair-like segments ; the flower 

 heads, in corymbose clusters, are only \ to f inch in 

 diameter, with an outer row of white florets, and a 

 central yellow disk. The receptacle of the flower head 



