FLOWERING PLANTS. 19 
This species is readily known by the firm parallel leaf-segments, 
fewer in number than in the next species, one of the forms of which 
has some general resemblance to it. 
River or Floating Water Crowfoot. 
SPECIES TI—RANUNCULUS AQUATILIS. Li. 
Submerged leaves petiolate or sessile, ellipsoidal or transversely 
ovoid in outline, divided into diverging capillary segments, which 
spread upwards and downwards as well as laterally. Floating leaves 
(often present) alternate, reniform or orbicular in outline, more or 
less deeply 3-lobed, -cleft, or -partite. Stipules broad, with rounded 
free auricles. Peduncles scarcely narrowing upwards, and shorter 
than, or not much exceeding, the leaves opposite to which they 
spring. Stamens longer than the head of pistils. Style very short 
and thick. Stigma oblong. Achenes compressed, loosely packed 
in a globular head, their inner edge nearly straight to the tip, their 
outer convex. Receptacle hispid. 
Sup-Srecies —Ranunculus peltatus. ries. 
Pirates XVII. XVIII. 
R. aquatilis, Reich. Ic. Fl. Germ. et Helv. Vol. III. Ran. Tab. IIT. Fig. 4576, 
Batrachium peltatum, /7ies, Sum. Veg. Scand. p. 141. 
Ranunculus aquatilis, Koch ? Syn. Fl. Germ. et Helv. ed. ii. p. 12. Gr. & Godr. Fl. de 
Fr. Vol. I. p. 22. Boreau, Fl. du Cent. de la Fr. Vol. II. p. 11. 
Submerged leaves trifurcate, afterwards repeatedly bifurcate. 
Segments comparatively rigid, not collapsing, except in var. y. 
Floating leaves on long stalks, sub-cordate at the base, reniform in 
outline, rather convex, with 3 lobes reaching about half-way down. 
Segments obovate, the lateral ones sub-bifid, all crenated (rarely 
entire) at the apex. Flowers, when expanded, about an inch in 
diameter. Petals broadly obovate, with 9 or more veins. Stamens 
indefinite. Carpels half-obovate, generally glabrous. 
Var. a. vulgaris. 
Puate XVII. 
R. peltatus, Bab. Ann. Nat. Hist. ser. ii. Vol. XVI. p. 398; and Man. Brit. Bot. 
em. Wap, 7. 
Submerged leaves loosely trifurcate. Floating leaves divided 
into 3 lobes, the sinus between the lobes reaching scarcely half-way 
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