IRON-WEED 



through its centre. They are crenate-dentate at margin, 

 very veiny, the veins depressed above and very con- 

 spicuous beneath, the entire leaf somewhat wrinkled. 

 The flower clusters are a dulled greenish white 

 and covered with a white fringe of style branches, 

 which gives a fluffy 

 appearance to the 

 whole. The tubular 

 florets are white, of a 

 greenish cast, the sta- 

 men tubes dark pur- 

 ple, the protruding 

 styles pure white, and 

 the enveloping in- 

 volucre green, the out- 

 come a dull greenish 

 white. 



IRON-WEED. 

 TOP 



FLAT 



Vernonia novehoracensis 



Vernonia, named after 

 William Vernon, an 

 English botanist. 



Perennial. Native. 

 A tall plant found in 

 moist soil and low pas- 

 tures, bearing flat-topped clusters of intense purple flowers. 

 New England to Minnesota and Missouri, south to Georgia 

 and Mississippi. July-September. 



Stem. — Three to nine feet high, branching. 



Learn.— Alternate, oblong or lanceolate, serrate, acute 



Iron- Weed. Verndnia novebpraUnsis 



or acummate. 



263 



