No, 6. 



^•^ 



45 



Flowers many, forming a terminal corymb; eich 

 on a naked ppduncle, erect, grooved and- thicker up- 

 wards- Perianthe or common calyx, hemispherical, 

 imbricatfed hairy, rough ; scales lineai', pale green^ 

 nearly equal, scariose on the margin and end. The 

 central florets of the disk are numerous and bright 

 yellow ; those of the rays are ligular, from seven to 

 twelve, and while, Phoranthe or common recepta- 

 cle conical, covered with short bristly chaflf, or palea. 



Central florets tubular, glandular, five-toothed, with 



five stamina, anthera united. Germ inferior obo- 



vate. Style filiform bifid. Stigmas two filiform 

 reflexed, 



Rays or ligular florets without stamina, oblong, 

 tvyo nerved, bidentate or tridentate at the end. 



Seeds brown, obovate, four sided, grooved and 

 tuberculated. 



HISTORY — The genus Cotula of Tournefort has 

 been blended with Anthemis by Linnaeus, from 

 which the naked seeds, without a membranaceous 

 appendage, and the conical instead of convex phoran* 

 the, partly distinguish it, so as to allow of a subgenus 

 or section at least. 



There appears to be some differences between the 

 ^i. Cotula of the north and south of Europe and 

 our American plant ; but although the various bota- 

 nical descriptions offer several trifling diversities, 

 they hardly amount to specific distinctions. Our de- 

 scription applies to the American plant. The Euro- 

 pean is smoother, more fetid, and sometimes describ- 

 ed with bipinnate leaves, and trifid folioles. 1 have 



