128 POLYGAMIA, FRUSTRANEA. 
Smooth Ox-eye. 
About two or three feet high. Flowers large, yellow, and 
very handsome. Resembles the species of the succeeding 
genus. On the banks of the Delaware, between Kaighn’s 
point and the next ferry below, in profusion, in thickets else- 
where. Perennial. August, October. 
324, HELENIUM. Gen. pl. 1299. ( Corymbifere.) 
Calix simple, many-parted. ays of the 
flower semitrifid. Receptacle naked, glo- 
bose; the rays only paleaceous. Seed 
villous; pappus paleaceous, about 5-leay- 
ed, leaflets awned.—WVutt. 

autumnalee 1, Hl. leaves lanceolate, serrated, sub-decurrent ; 
stem corymbose above; corrollule of the disk” — 
5-cleft ; rays flat, reflexed.— Willd. and Pursh. 
Sneexe-weed. 
From three to fourfeet high. Flowers yellow. Possesses 
errhine properties, and may consequently be useful in medi- 
cine. In watery thickets, and on the mashy shores of the De- 
laware, Schuylkill, and other waters; abundant. Perennial. 
October, November. 
——— = 
ORDER I1L—POLYGAMIA, FRUSTRANEA. 
(Discal florets bi-sexual; rays neutral, sterile.) _ 
325. HELIANTHUS. Gen. pl. 1322. ( Corymbifere.) 
Calix imbricated, subsquarrose, foliaceous. 
Receptacle paleaceous, flat. Pappus pa- © 
leaceous, 2-leaved, caducous.—Vutt. | 

mollis, 1. H. leaves ovate, acuminate, three-nerved; ad- 
pressed-serrate, scabrous above, white pubes- 
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