No 4r. HBI.ENIUM:. cg% 





No. 47. 



HELENirai AUTUMNALE. 





English Name— COMMON SNEEZEWORT. 



Frejvch Name — Helenie D'AUTOMNE.rr *v//^^>' 



German Name — Niessenkkaut. 



Officinal Name — Hclenium, 



VuLG ARNAMEs-^Sneezeweed, Sneezevvort^Swamp 

 Sunflower, False Sunflower, Yellow Star, Oxeye. 



AuTiroRiTrES — Lin. Mich. Pursh. Torrey, E]li* 

 ottj Cornut, Clayton, Schoepf, B, Barton, W. Bart, 

 ft. fig. 26, Duncan, &c. 



Genus Helenitjm — Perlanthe many parted, seg- 

 ments linear. Flowers radiate, rays cuneale trilobe, 

 styliferous, from 15 to 20. Phoranthe hemispherical, 

 naked, chaiTy on the margin. Florets complete, four 

 or five cleft. Pappus with five chaffs. Seeds hairy. 



Species H. autumnale — Pubescent, Stem corym* 

 bose above, winged: leaves lanceolate, serrate, de- 

 current: peduncles thicker above, rays flat, floret» 



five cleft'. 



DESCRIPTION — Root perennial, fibrous. Seve- 



ral Stems from three to seven feet high, erect, angu- 

 lar, winged by the decurrent leaves, branched and co* 

 rymbose above: covered as well as the leaves with a 

 very short and dense pubescence. Leaves glaucous, 

 alternate, sessile, decurrent, lanceolate, acuminate, 

 unequally serrate, dotted by small pits, subtrinervatie. 



