S3»Vo
COREOPSIS TINCTORIA.
DYEING COREOPSIS. ARKANSA COREOPSIS.
Syngenesia Frustranex, Linn. Corymbiferse, Juss.
GENERIC CHARACTER.
Calix double, both many-leaved, (8 to 12) interior equal, sub-coriaceous, and coloured.
Receptacle paleaceous, scales flat. Seed compressed, emarginate, bidentate,
dentures rarely awned.
SPECIFIC CHARACTER.
Radical leaves pinnate-form ; leaflets sub-oval, entire, smooth, the upper one imperfectly
pinnate with linear segments; flowers in pairs or three’s ; exterior calices
very short, rays bi-coloured; seeds naked, emarginate. Nuttall.
“ Annual and biennial, stem erect, smooth, and much branched, extremely
variable in magnitude, being from one to five feet high. The
leaves, in common with the genus, are somewhat thick and succulent,
the primary ones simple, radical pseudo-bipinnate, the segments also
occasionally pinnate, oblong-oval, commonly smooth, and entire, the
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