EAN0NCULU3. 
9 
11. R. lutantis (Bouv.) ; divided I. rare ratlier Hgid not 
collapsing, floating or aerial, floating 1. subpeltate deeply trifici 
with cuneate-obovate 2 — 4-fid lobes, pet. scarcely exceeding the 
cal., style subulate terminal with a slender base, carp, un- 
equally obovate much inflated with a nearly terminal point. 
— R. tripartitus E. B. S. 294G [not dc.]. R. intennediua, ed. 
viii. — St. usually suberect, aerial. L. |-circular, lateral lobes 
with 3, middle with 2 — 4 crenatures. Upper stip. free. Pet. 
pinkish. Stam. 5 — 10. Style deciduous. Inner edge of 
carpels much rounded. Sometimes the petals are longer and 5- 
veined. — Damp ground and wet ditches, rare. A. V. — VIII. E. 
[^R. /lololei'icog (Lloyd) having larger wholly white fl., a pro- 
minent nearly terminal beak to the obovate carp, and rare 
rigid not- collapsing submersed 1., should be looked for.] 
** Submersed 1. not as in Section*. — t Receptacle hispid. 
12. R. rircindtus (Sibth.) ; 1. aU submersed and sessile trifur- 
cate with repeatedly and closely forked ligid segments all placed 
in one roundish plane not tassel-like, ped. tapering exceeding 1., 
fl. large, pet. obovate many-veined nearly contiguous persistent, 
stam. exceeding pistils, stig. cylindrical, receptacle oblong, 
carp. ^ -ovate compressed rather acute. — E. B. S. 2869. — St. 
submersed. L. sheathing, not auricled, forming a flat rigid 
disk. Buds flattened at the top. Stam. 15 — 20. Receptacle 
narrower than ped. Inner edge of carp, nearly straight. — 
Streams and ponds, but not common. P. VI. — VIII. E. S. I. 
tt Receptacle not hispid. 
13. R. fill itans (La,m.) ; 1. all submersed about twice trifur- 
cate with very long linear twice or thrice forhed nearly parallel 
segments, ped. tapering, fl. large, pet. broadly obovate many- 
veined contiguous persistent, stam. falling short of pistils, stig. 
cylindrical, receptacle conical, carp, obovate inflated much 
rounded at the end laterally apicuJate. — E. B. S. 2870. — St. 
submersed, usually very long. Petioles and stout segments of 
1. often veiy long, together a foot in length. Stip. broadly lan- 
ceolate. Buds shortly pyramidal, pentagonal. Pet. often more 
than five. Stam. very short, many. Inner edge of carpels 
slightly rounded.— /3. R. Bachii (Wirtg.) ; slender, 1. short al- 
most sessile finely divided, pet. narrowly obovate. [7- ? cambricas 
(,11. miuatilis vSki. cambncus Ar. Beiin.); small and slender, fl. small, 1. with 
few short segm.l — RiverS. /i. rare. [7. Coron Lake, Anglesey.! P. 
VI. VII. E. S. 1. 
