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white, with a dark purple base. Involucre, or outer ca-
of 12 to 13 leaflets, connected into a ring at the
base, linearly subulate, acute, clothed with a short
dense white tomentum. Calyx proper tubular, campanulate,
also clothed with a close hoary tomentum, and
striated with several longitudinal lines or veins, deeply
divided into 5 segments, tha t are ovate, and taper to a
long slender point. Petals 5, slightly connected a t the
base,before expansion spirally t\yi.sted,afterwards spread-
ing, obovate, rounded a t the points, longitudinally veined
w ith 10 to 12 strong veins, th a t are pennately branched.
Stamens numerous, connected into a long cylindrical
column, th at branches all the way up into short iila-
ments : anthers kidney-shaped : pollen glandular, straw-
coloured. Ovarium 5-lohed, 10-furrowed, smooth. Style
longer than the stamens, 5-cleft, smooth below, but
hairy above the stamens, the segments spreading, or re-
flexed a t the points, clothed with spreading hairs, and
each terminated with a flat, capitate, papillose Stigma.
Fine specimens in full flower, of this beautiful plant,
were obligingly sent to us in September last, alongwith
n.. roseus, th a t flowered at the same time, in the rich
collection of A. B. Lambert, Esq. a t Boyton-House,
Wilts: it IS seldom th a t the present plant, or B..palustris,
produce flowers in our gardens; the reason is, without
doubt, through their being planted in too dry a situation,
their native places of growth in America being in
swamps and marshes. Pursh mentions the present
specira, as “ growing in swamps and salt-marshes, from
INew York to Carolina; and plentifully in the marshes
round the Salt-lake, Onondago, New York, flowering
from August to October.” I t is most probably owing
to the very wet Summer, th a t they flowered so freely
this season, and by being planted in a moist situation ;
and there can be no doubt but they would flower as readily
every season, if planted near a pond, or in any wet
Swampy ground; they are quite hardy, and are readily
increased by dividing a t the root, or by seed. For the
derivation of the generic name, see 277.
2 k l peduncle, to show how they are connected.
2. The upper pai t ternnnated by the Calyx and Involucrum. 3. The bundle o f
Stamens. 4. Ovarmm, terminated by the Style aud Stigmas.