FLOWERING PLAN'S. DAT 
SPECIES V.—RANUNCULUS TRIPARTITUS. DGC. 
PuateE XXIV. 
Reich, Ic. Fl. Germ. et Helv. Vol. IIT. Ran. Tab. II. Fig. 4574. 
Bab. Ann. Nat. Hist. ser. ii. Vol. XVI. p. 399; and Man. Brit. Bot. ed. v. p. 7. 
Gr. & Godr. F). de la Fr. Vol. I. p. 20. Boreau, Fl. du Cent. de la Fr. ed. iii. 
Vol. II. p. 9. Coss. & Germ. Fl. des Env. de Paris, ed. iii. p. 12. 
Submerged * leaves (not seen in Britain) stalked, the upper ones 
sessile, ellipsoidal or transversely ovoid in outline, divided into 
diverging flaccid capillary segments, which spread upwards and 
downwards as well as laterally, and collapse on being drawn out of 
the water. Floating * leaves alternate, semicircular or sub-orbicular 
in outline, very slightly rounded, or nearly straight at the basal 
margins, tripartite; the segments not approximate, inversely deltoid 
or wedge-shaped, deeply crenate at the tip. Stipules short and 
broad, the free rounded auricles as large as or larger than the 
adnate portion. Peduncles slender, not tapering upwards, about as 
long as the leaves opposite to which they spring. Petals scarcely 
exceeding the calyx. Stamens 5 to 10, longer than the head of 
pistils. Style rather long and slender. Stigma ligulate. Achenes 
small, inflated, few, loosely packed in a sub-globular head, their 
inner edge convex at the tip, the outer edge convex throughout. 
Receptacle globular, very slightly hispid. 
Var. a. fluitans. Godr. 
Lower leaves divided into capillary segments. 
Var. B. terrestris. Godr. 
Without capillary divided leaves. 
Very rare; and only the variety 6 has occurred in this country, 
where it has been found on damp ground and in ditches in the 
neighbourhood of Esher in Surrey, near Haverfordwest in Pem- 
brokeshire, and in Cornwall. Marked in Mr. Moore’s list of Irish 
plants. 
England, Ireland. Annual (certainly), or Perennial ? Summer, 
Autumn. 
Stem 2 to 6 inches long, branched in the larger examples, with 
* The terms submerged and floating are here used to express the two kinds of 
leaves; for those described as floating in this species are found even under water. 
