Herbaceous aquatic or marshy plants, with entire or com- -

pound radical leaves; in the latter case usually floating, the
leaves resembling roots and bearing numerous small bladders :
scapes slender, erect or twining, naked or furnished with scales ;.
flowers either solitary or several, forming a raceme towards the
apex: calyx 2-parted or more or léss bilabiate, the inferior one
often larger, often emarginate or bidentate: corolla personate or
bilabiate, rarely regular ; the upper lip 2-lobed or entire, thé
under larger, spurred at the basé, 3-lobed or entire: stamens
two, inserted on the base of the corolla, between the spur and
ovary: filaments somewhat flattened, often bent, approximated
at the base and apex: anthers terminal, ellipsoid, one-celled,
often contracted in the middle, as if two-celled, dehiscing above :
pollen (dry) broadly elliptical ; ovary free, ovoid, one-celled:
placentze central, free, ovoid or globose, shortly stipitate at the
base: ovules numerous, anatropous or peltate: stigma 2-or 1-
lipped (the upper one being obsolete) the lower one larger, often
dilated and revolute over the anthers: capsule globose or ovoid,
bursting laterally or irregularly : seeds numerous, minute:
testa often wrinkled: albumen wanting: embryo orthotropous,
sub-cylindrical, sometimes undivided, sometimes with two short
cotyledons.
WG


GENUS I. UTRICULARTA.
Deeandria Monogynia. Ser: Syst:


Deriy. From Utriculus, a little bladder; alluding to the small
inflated appendages of the roots.
Gen. Cuar. Calyx bipartite: upper lobe entire, lower often
emarginate or 2- toothed : corolla personate, spurred below the lower
lip, the upper lip erect, entire or emarginate, lower one usually
longer, often 3-lobed, plain, or reflexed below at the margin: palate.
