PENTANDRIA— DIGYNIA. Selinum. 97 



what bordered. Styles short and close hi the flower ; sub- 

 sequently elongated, reflexed, flattened ; their bases tu- 

 mid, hemispherical. Stigmas obtuse, or capitate. Fl. Re- 

 cept. obsolete. Fruit elliptical, transversely compressed, 

 crowned with the calyx and styles. Seeds nearly elliptical, 

 almost flat, each with 3 longitudinal, more or less acute, 

 dorsal ribs ; the margin dilated, flat, even, smooth, and 

 entire, at least half as broad as the body of the seed. 

 Juncture broad, flat, close, parallel to the seeds, and of 

 the same width, not extending to their wings. 

 Perennial or biennial herbs, with rather tall, upright, fur- 

 rowed stems, and large, repeatedly pinnate, finely divided, 

 leaves. Umbels of many, general as well as partial, an- 

 gular rays, with narrow, lanceolate, pointed, general and 

 partial bracteas. Fl. white, numerous. Seeds pale brown. 



1 . S. pahistre. Marsh Milk-parsley. 



Milky. Root generally single. Leaves triply pinnate ; leaf- 

 lets pinnatifid, with elliptic-lanceolate segments. Rays of 

 the umbel rough. Ribs of the seeds broad and obtuse. 



S. palustre. Linn. Sp. PL 350. Willd v. 1. 1397. Fl. Br. 303. 

 Engl. Bot.v. 4. t. 229. Hook. Scot.88. Spreng. Proch. \5. Ehrh. 

 PL Off. 363. FL Dan. t. 257. Crantz. Austr.fasc. 3. 39. t. 4. 

 /. I. ? perhaps a starved plant. 



S. sylvestre. Jacq. Austr. t. J 52. 



S. n. 799. HalL Hist. v. 1. 355. 



S. palustre lactescens. Bauh. Pin.l62. Prodr.S5.f. Moris. v. 3. 317. 



Thysselinum palustre. Tourn. Inst. 319. 



Th. Plinii. Spreng. Sp. Unib. 69. Lob. Ic.7\\.f. Moris, v. 3. 317. 

 sect.9.Ll7.f.2. 



Thysselium angustifolium. Riv. Pent. Irr. t. 20. 



Apium sylvestre, sive Thysselium. Dod. Pempt. 699. /. Ger. 

 Em. 1020./. Dalech. HisL 701 ./. Bauh. Hist. v. 3. p. 2. 188, 

 descr. not the figure. 



In marshes and boggy meadows. 



In several parts of Yorkshire and Lancashire ; first noticed by 

 Mr. Hudson near Doncaster. Found in some alder swamps 

 near Yarmouth, by Mr. Lilly Wigg, and between Norwich and 

 Heigham, towards the river, by Mr. Pitchford. The present 

 Bishop of Carlisle noticed it near Prickwillow bank, in the Isle 

 of Ely, and Mr. Hopkirk in a ditch at Ardencaple wood, in the 

 south of Scotland. 



Perennial ; some say biennial. Juhj. 



Root, with us, tapering, simple, with many long fibres. Stem so- 

 litary, erect, 4 or 5 feet high, hollow, deeply furrowed, not 



VOL. II. H . 



