3BLTUBBJECBIA LA D IN IA TA .
m S J IL a STO
RUDBECKIA LACINIATA.
JAGGED-LEAVED RUDBECKIA.
Syngenesia Frustranea, Linn. Corymbiferae, Juss.
GENERIC CHARACTER.
talix sub-equal, mostly consisting of a double series of leaflets. Receptacle paleaceous,
conic. Pappus a 4-toothed margin.
SPECIFIC CHARACTER.
Radicle leaves pinnate j folioles ovate, unequal at base, sub-trilobed, dentate;
stem-leaves three-parted and undivided, oblong, dentate; pappus crenate j
stem glabrous. Willd. enum. and Schroeder.
SYNONYMS.
C h r y sa n t h em u m Americanum, perenne, &c. Moris. Hist.
D o r o n ic um Americanum, laciniato, folio. Bauh. pin.
A c o n itu m helianthemum, canadense. Com. Canada.