HELENIUM 



to be a real effort to keep to a pinnate three to 

 five-cleft type. The plant loves moist places, 

 abides in thickets, and is continental in its dis- 

 tribution. Black-Eyed Susan, Rtidheckia hirta, 

 is the best-known member of the genus and is 

 found in meadows and thickets from June to 

 September. 



HELENIUM. SNEEZEWEED 



Helenium autumndle 

 Helenium, after Helen of Troy. 



Native, perennial. An erect branching plant 

 bearing very beautiful flower-heads, yellow, with 

 the disk-florets on a globular receptacle. Allu- 

 vial river banks; common in Middle West but 

 rare in New England. September, October. 



Stem. — One to three feet high, angular, branching at 

 the top, nearly smooth, often sprinkled with aromatic 

 resinous globules. 



Leaves. — Alternate, lanceolate, toothed, more or less 

 decurrent on the stem. 



Flower -heads. — Showy, yellow, borne in corymbose 

 clusters at the summit of the stem. Rays spreading, 

 wedge-shaped, eight to ten, three to five-cleft at tip, 



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