i86 



I -LOWERS OF WASTE PLACES, ETC. 



This [ilant generally grows in a solitary manner, with one or more 

 at most associated. The stems are erect, with tew liranches. The 

 leaves are stalkless, alternate, many times divided nearly to the base, 

 with linear, awl-shaped segments, smooth, and dark-green. The llorets 

 of the receptacle are yellow, those of the ray white. The receptacle is 

 conical. The phyllaries are bristle-like, antl shorter than the tlisk 

 florets, which are llat. There is no pappus. There is a scale between 



Stinking Mayweed {An/kcniis Co/uiu, L. ) 



each two florets. The Irnlt, an achene, is strongly ribbed on the 

 back. The height of the stem is i ft. The Stinking Mayweed flowers 

 from |une to September. It is annual, aiul multiplied by seeds. 



The ray florets are white and neuter, with neither stamens nor 

 pistil; the disk florets are flattened, bise.\ual, the tubes terminating 

 in 5 teeth. The flowers are strong-scented, with a disagreeable smell. 

 The flowers are conspicuous, and the plant is likely to be cross-pollin- 

 ated frequently when not (as is usual) growing amid corn. '1 he fruit 

 is winged or ribbed, assisting in its dispersal by aid of the wind. The 

 disagreeable taste and smell, in which it differs from Matricaria itiodora, 

 may serve as a protection against animals. 



