194 rjENTANDRlA. DIGYNIA. 



279. CH^RO'PHYLLUM. L. 



f' Fruit oblong-linear, terete, ecostate, gla- 

 brous, commissure sulcate.*' Sprengel. 



Universal involucrum none. Leaves pseudo-tripinnate, 

 or bipinnate, ultimate segments divaricate, variously and 

 incisely lobed or toothed. 



Species. 1. C prociimbcns . Obs. Young" stems, and 

 particularly the sheaths of the leaves liairy. Umbells op- 

 posite the leave?;, naked, 3-rayed. Umbellets about 5- 

 flowered; invohiceli sliort, about 5-leaved, ovate, erect. 

 Flowers all fertile; petals oblong-oval, entire, scarcely in- 

 flected. Styles very minute. Seeds linear-oblong-, 3 or 

 4 lines loni^, brownish, even, very smooth and distinctly 

 lined; stris 5, intervals angvilarly elevated. Hab. Near 

 Philadelpiiia, on the banks of the Schuylkill. Leaves 

 somewhat resembling- Dauciis Cawta. 



A g-enus now including scarcely more than 5 or 6 spe- 

 cies, indigenous to Europe, America, and liarbary. 



280. SESELI. L, (Meadow-SaxilVage.) 



a Fruit ovate-lanceolate, solid, (seed) 5-rib- 

 bed, ridges somewhat obtuse, intervals partly 

 grooved. Universal involucrum none; partial 

 many-leaved." SniENGEL. 



P;irtial involucrum 5 to 5-leaved, small; umbells sub- 

 globose, often rather ligid. Leaves simply or doubly 

 pseudo-pinnate, segments linear. 



SPECir.s- 1. S. tnternatwn. Th. -f 2. divancatum. Ph. 

 Stem short, procumbeni, branched; leaves subopposite, 

 shining, short and bipinnatifid, segments toothed, termi- 

 nal ones obtusely tridentate, petiole decurrent in the alat- 

 ed midrib; umbells upon long pedtmcles, hemispherical, 

 dichotomal and terminal; involucrum none, invohiceli 

 about 5-leaved, lanceolate, unilateral; flowers yellow — 

 Obs. Root perennial. Proper stem procumbent, divided 

 from the base, scarcely 4 inches long, angularly grooved. 

 Leaves all, except the radical ones, opposite, 3 or 4 inches 

 long, partly with an ovate outline, flat and shining, secon- 

 dary divisions about 3 pair, pinnatifid, segments 2 to 4 

 lines long, obtuse, and toothed, each terminating in 3 

 nearly equa] dentures; teeth with minute points; petiole 

 confluent in the alated midrib. Peduncles naked, rigid, 

 4 ©r 5 inches long, nearly of equal thickness with the 

 stem. Umbellnaked, roundish, 18 to 20-rayed; rays thick 



