128 
POLYGAMIA, FRUSTRANEA, 
autumn ale. 
mollis. 
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. pi. 1299. (Corymbifer^,) 
Calix simple, many-parted. Mays of the 
flower semitrifid. Meceptacle naked, glo- 
bose ; the rays only paleaceous. Seed 
villous ; pappus paleaceous, about 5-leav- 
ed, leaflets awned. — JVutt. 
1. H. leaves lanceolate, serrated, sub-decurrent j 
stem corymbose above j corrollulse of the disk 
5-cIeft j rays flat, reflexed. — WiUd. and Purslu 
8nee%e-weed. 
From three to four feet 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. Perenniak 
October, November. 
ORDER III.— POLYGAMIA, FRUSTRANEA, 
(Discal florets bi-sexual; rays neutral, sterile.') 
325. HELIANTHUS.GeB.pl. 1322. {CorymUfer<E.') 
Calix imbricated, subsquarrose, foliaceous. 
Meceptacle paleaceous, flat. Pappus pa- 
leaceous, S-leaved, caducous. — J^utt. 
1. H. leaves ovate, acuminate, three-nerved ; ad- 
pressed-serrate, scabrous above, white pubes- 
