EANUNCULTJS. 9 



** Submersed 1. not as in Section *. — f Receptacle hispid. 



11. -B. drcindtus (Sibth.) ; 1. all submersed and sessile trifur- 

 cate with repeatedly and closely forked rigid 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, 

 i-ovate compressed rather acute. — E. B. S. 2869. — St. sub- 

 mersed. 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. — Vltl. E. S. I. 



tt Receptacle not hispid. 



12. M.Jlmtans (Lam.) ; 1. all submersed about twice trifur- 

 cate with very long linear twice or thrice forked 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 apiculate. — E. B. 8. 2870. — St. 

 submersed, usually very long. Petioles and stout segments of 

 1. often very 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. iJ. Bachii (Wirtg.) ; slender, 1. short 

 almost sessile finely divided, pet. narrowly obovate. — Rivers. 

 (3 rare. P. VI. VII. E. S. I. 



*** Usually no divided submersed leaves; receptacle not 

 hispid. 



13. B. Lenorman'di (Schultz) ; 1. all roundish cordate with 

 3 — 5 rather deeply divided lobes which widen from their base, pet. 

 exceeding cal., style terminal u^on the ovate-conical ovary, cai-p. 

 unequally obovate with a terminal point. — E. B. 8. 2930. B. 

 camdsus Bab. (not Guss.). — St, fioating or creeping upon mud. 

 L. not spotted, often opposite before the plant flowers ; lobes 

 very broad at the top, mostly with 2 — 3 notches. Upper stip. 

 very broad, J-adnate. Pet. narrow, obovate, S-veined. Stam. 

 8 — 10. Style nearly central on the ovary and usually so on 

 the carpel. Inner edge of carp, much rounded towards the 

 top.— Shallow ponds or mud. P. VI.— VIII. E. S. I. 



14. B. hederdceus (L.) ; 1. roundish cordate with 3 — 5 

 shallow rounded lobes widening to their base, pet. scarcely bx- 

 ceeding cal., style prolonging the inner edge of the ouary, carp. 



B 5 



