COMPOSITE FAMILY 



THE WOOD SUNFLOWERS 



Helidnthus decapetalus. Helidnthus strumosus 



H. decapetalus. Native, perennial by branched, 

 sometimes thickened, rootstocks. 



Stem. — Slender, glabrous or nearly so, branched 



above, two to five feet high. 



Leaves. — Ovate or ovate- 

 lanceolate, the upper often 

 alternate, three to eight 

 inches long, one and a half 

 to three inches wide; rough 

 above, often downy beneath ; 

 acute or acuminate; regu- 

 larly serrate; the rounded 

 or truncate base decurrent 

 on petiole; three-nerved at 

 the base. 



Flower-heads. — Several ; 

 rays eight to fifteen. Found 

 in moist woods and along 

 streams. 



H. strumosus. — Native, 

 perennial by branched, 

 sometimes thickened, tuber- 

 ous rootstocks. 



Stem. — Glabrous below, 

 sometimes glaucous; three 

 to six feet high, branched 



Leaf of Wood Sunflower. , 



Helidnthus abOVe. 



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