304 PENTANDRTA. DIGYNIA. hydrocotyle. 



4. [J, ranunculoides L. : leaves somewhat 5-lobed, cordate, 

 crenate-dentate 5 umbels capitate, about 8 — lO-flowered. 

 B ic/i. I. c. p. 195. no. 30. t. 38. f. 18. L. Mnnt. p. 177. 

 Will d. Spec. I , p. 1 363. Sp reng. Umb. p. 2. t, 1 . f. 2, 

 Roem. <^ Schul t. VU, p. 349. H. cymbalarifolia M u h L 

 Cat. p. 29. Elliott Sk. I. p. 346. H. repens flora albo, 

 G r n. Virg. p. 30. 

 Creeping, perennial, glabrous. Leaves nearly circular, rather 

 deeply 3 l(jbed, crenate ; under surface slightly glaucous ; la- 

 teral lobes sometimes notched. Peduncle about an inch long ; 

 Umbel 7 — 10-fluwered; pedicels very short. Ell. 

 Hab. In Pennsylvania. June. Muhlenberg. 



5. U. lincata JiJ i c h. : very smooth, creeping; leaves 

 sessile, cuneate-linear, with transverse nerves ; umbels pe- 

 dunculate. i^icA. 1. c. p. 217. no. 54. t. 6G. f. 38. Mich. 

 F/. I. p. 162. Pursh Fl.l. p. 190. E I li o 1 1 Sk. \. ^. 

 347. H. si7imsis L. Sp. pi. 339? Crantzia lineata N utt. 

 Gen. I. p, 178. 



Root perennial. Slem creeping. Leaves about 2 at each joint, 

 an inch and a halt" long, and I — 2 lines broad, erect, succulent, 

 obtuse, marked Vvith 5 transverse nerves or bands, approximat- 

 ing upwards ; longitudinal nerves obsolete. Umbels on pe- 

 duncles longer than the leaves, 8 — 10-flowered ; pedicels 3 — 4 

 lines long. Invoiucrum 5 — 6-Ieaved ; leaflets lanceolate. 

 Calyx nearly obsolete. Petals roundish-oval, white, with a 

 tinge of red. Styles very short, recurved. Fruit suborbicu- 

 lar ; commisure oblong, depressed. 



Hab. On the muddy banks of the Housatonic, near New-Ha- 

 ven, Connecticut; abundant. Ives and Hooker. In a 

 salt marsh near Egg-harbour, New-Jersey. .Yu 1 1 a II. July- 

 August. 



Sfir c n ge If ir\ R o e m e r IS" Sch ult e s Syst. Veg. VI. 

 p, 555. refers this plant to H. sinensis (chinensis)^ and they 

 are also considered as synonymous by <Sm i t h. As, however, 

 the Asiatic species is not well known, I shall retain Mi- 

 c haux' s name for our plant until future investigation shall 

 prove it to be not distinct. 



6. II. composifa Ph. : root tuberous ; stem simple, 2-leav- 

 ed ; leaves subternate ; leaflets many-cleft ; umbel 3 — 5- 

 ilowercd. Pursh F/. 1. p. 1 90. Roem. ^ Schult. 

 VI. p. 355. H. blp'mnata M uhl. Cut. p. 29. Erigenia 

 bnlbosa .K ti 1 1. Gen. I. p. 1 88, SisoN bulbosum M i c h. Fl. 

 I. p. 169. 



Root a round tuber. Stem ascending, about an inch high. 

 Leaf solitary, emitting 2, and sometimes 3 scapes from its 

 sheath, bitcrnately divided ; partitions subternate ; segments 

 rhomboidal, cleft ; ultimate lobes bifid, obtuse, with muiute 

 poHits. Scapes terete, 4 — 5 inches high, terminating in an ir- 



