Mr. C. C. Babins;ton on the Batrachian Ranunculi. 397 



'o 



believing (Summa, 555) them to be distinct. In some respects 

 it seems more nearly related to R. confusus, and I liave suspected 

 that they may be identical. 



Flowering from May to August ; but sometimes flowers may 

 be found in April. 



R. Baudotii appears to delight in slightly brackish water. 

 I possess it from Edinburgh^, Seaton Carew in the county of 

 Durham, Burnham in Norfolk, near Chepstow in Gloucestershire 

 and Monmouthshire, Shirehampton near Bristol in Gloucester- 

 shire, Dunster in Somersetshire, and near Cork (?). 



6. R, floribundus ; submersed leaves closely trifurcate, segments 

 rather rigid divaricate not collapsing, floating leaves long- 

 stalked subpeltate i-trifid or 3-partite with sessile obovate 

 3-5-lobed segments, peduncles not narrowed scarcely ex- 

 ceeding the leaves, flowers large, petals obovate-cuneate 9- 

 many-nerved not contiguous persistent, stamens many exceed- 

 ing the pistils, stujrna tongue-shaped, receptacle spherical, 

 carpels i-obovate very blunt. 



Stem floating, rooting from the lower joinings, bluntly angular, 

 hollow, often rising out of the water. Submersed leaves dark 

 green, two or three times trifurcate, afterwards bifurcate, seg- 

 ments rather short filiform ; intermediate primary subdivision 

 smaller. Petioles short, semiterete. Floating leaves convex, 

 divided more than halfway down ; lateral segments bifid, each 

 lobe bicrenate; middle segment 3-crenate; outer edge of the 

 leaf much rounded at the base. Outhne of the floating or emerged 

 leaves forming about |rds of a circle, but the rounded outer 

 bases often overlap. Petioles nearly cylindrical. Stipules very 

 broad, with a free rounded end. Peduncles from both kinds of 

 leaves. Buds slightly depressed, slightly pentagonal. Flowers 

 star-like. Sepals ovate, greenish, with a diaphanous margin. 

 Petals at first nearly contiguous, afterwards distant, white, 

 clawed and yellow below, more than twice as long as the calyx. 

 Nectary ovate, its margin thickened all round and slightly pro- 

 minent below. Stamens 20-30. Style short, recurved, pro- 

 longing the inner edge of the ovary. Inner edge of the carpels 

 nearly straight. Receptacle as thick as the peduncle. 



I am unable to identify this plant with any described species. 

 It is most nearly allied to R. peltatus, with which I was much 

 inclined to have combined it. It differs from R. peltatus by its 

 deeply tririd floating leaves, dark green submersed leaves with 

 unequal segments branching at shorter intervals, peduncles not 

 narrowing upwards, uor very long, nor almost solely springing 

 in company with the floating leaves (in R. floribundus they 

 spring as frequently with the petioles of the submersed as of 



