2969
2969.
RANUNCULUS floribundus.
Many-flowered Water-Crowfoot.
POL YAN D R IA Polygynia.
Gen. Char. Calyx of 5, rarely 3 leaves. Petals 5
or more, with a nectariferous pore at the base.
Pericarps without awns.
Spec. Char, Stem floating. Submersed leaves closely
trifurcate, divided into capillary rigid divaricate
segments, which spread in all directions, and do
not collapse; floating leaves long-stalked, sub-
peltate, half-trifid or tripartite; segments obo-
vate, 3-5-lobed. Petals obovate-cuneate, 9-many-
veined, not contiguous, persistent. Stamens
many. Stigma tongue-shaped. Carpels half-
obovate, very blunt. Receptacle spherical. Peduncles
not narrowing upwards, scarcely exceeding
the leaves.
Syn. R. floribundus. Bab. in Ann. Nat. Hist. ser. 2.
v. 16. (1855) 397; Man. Brit. Bot. ed. 5. 7.
R. peltatus, (3. floribundus. Syme, in E. Bot. ed. 3.
pi. xviii.
lOTEM floating, often rising out of the water, bluntly angular.
Submersed leaves dark green, two or three times trifurcate
in rather a close manner, afterwards bifurcate; intermediate
primary division smaller than the others; segments
filiform, rather rigid, and not collapsing naturally when taken
out of the water. Petioles short, semiterete. Floating leaves
rather convex, divided more than halfway down; middle
segment the shorter; outer edge of leaf more or less (usually
much) rounded at the base; outline of leaf about f of a circle.