Botanical Magazine 106 - 1880.pdf - hibiscus.org

eing on dry rocks. The specimen figured is a very small
one ; those preserved in the Herbarium have radical leaves
an inch broad on capillary petioles three to five inches long,
and heads of flowers three inches in diameter, and there are
often thirty to forty flowers in a head.
DBSOB. A perfectly glabrous herb. Root-stock short,
woody, branched. Stem, many from the root, slender, de-
cumbent, then ascending, three to five inches long. Leaves,
radical on filiform petioles three to six inches long ; blade
orbicular or cordate, one to one and a half inches in
diameter, deeply coarsely acutely toothed ; cauline two to
five inches long, lanceolate elliptic or ovate, narrowed into
a long or short petiole, coarsely toothed like the radical
leaves, the teeth sometimes a quarter of an inch long.
Flowers ten to thirty, forming an umbelliform terminal head,
involúcrate by sessile or petioled broad or narrow leaves ;
pedicels a quarter of an inch long. Calyx-tube small, cylin-
dric ; teeth filiform, one-eighth of an inch long. Corolla
three-quarters to one inch long, curved ; inflated portion
pale lilac with five slits ; tubular portion darker purple,
very slender, closely embracing the style ; mouth entire or
five-toothed. Stamens with slender glabrous filaments,
rather shorter than very slender subulate anthers. Ovary
two-celled ; style very long, the exserted portion equalling
the corolla-tube in length, pubescent ; stigmas two, long or
short, slender, papillose.•J. D. II.
Fig. 1, Flower ; 2, vertical section of ovary and calyx, with portion of base of
corolla, stamens, and style ; 3, stamen ; 4, apex of style and stigmas:•all enlarged.