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RUDBECKIA hirta.
Great Hairy Rudbeckia.
Natural Order. Compositæ. Adanson fam. 2. 103.
R U D B E O K IA . Supra fol. 4.
R. hirta, hirsutissima, caulibus subramosis ; ramis unifloris,
pedúnculo nudo, foliis ovato-spathulatis triplinervibus serratis
hirtis, involucrum foliaceum radium submquante, disco conico,
paleis lanceolatis. „ „ «
Rudbeckia hirta. Willden. sp. pi. 3. p . 2248. P e y . syn 2.
p . 477. Pursh Jl. amer. sept. 2. p . 374. Hort. Kew. ed. 2.
v . b . p . 131.
Stems erect, branching from the base, thickly clothed
with long spreading white hairs, as are the leaves,
peduncles, and involucrum. Branches erect, purple
at the base, generally l-flowered. Leaves ovately-
spatulate, attenuated at the base, sessile, slightly serrate,
bluntish, triplinerved, the nerves branching.
Peduncles long, erect, angular, and furrowed with
numerous channels, naked, or sometimes bearing a
leaf, hispidly hairy. Involucre many-leaved ; leaflets
spreading, or reflexed, unequal iu length, lanceolate,
bluntish, hispidly hairy, some of them nearly the length
of the rays. Receptacle conical, paleaceous. Chaff
lanceolate, acute, tipped with purple, scarcely as long
as the florets. Rays numerous, barren, ligulate, the
points 2 or 3-toothed, strongly nerved underneath, of
a deep yellow colour, at the base is the rudiments of
2 hair-like stigmas. Florets of the disk numerous,
dark brown, tubular, 5-toothed. Stamens 5, filaments
Y 2
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