PL ex. cal. 45. UMBELLIFERiE. 277. Sium. 507 
Sium pusillum foliis variis, Raii Syn . 212, 6. 
Sis >n inundatum „ Lin . S. P. 363. 
Hydrocotyle inunda 0 m, Smith FI. Brit. 290. 
Least water-par snep . f loating white-root. 
Standing water and inundations; annual; May. 
Stem floating; leaves decompound; upper leaflets oblong, 
3-cut or pinnate: umlells 2-cut, peduncled, opposite to 
the leaves; umbellules 5-flowered. 
XIII. 278 . B YDROCOTYLE. Tournef. Marsh-pennywort. 
Umlells simple, pedicelled ; involucrum 2 or 4-leaved; 
calyx 0; petals 5, lanceolate, equal; lacinule inflexed, acute; 
fruit orbicular, compressed sideways, gibbous ; akenium 
circular, lenticular ; ' edge thin ; ribs 3, blunt ; vallecules 
very broad. 
Hydrocotyle vulgare. Common marsh-pennywort. 
Leaves peltate, orbicular, crenate; umlells 5 or S-flowered. 
Hydrocotyle vulgaris, Raii Syn. 222, 1 ; Lin. S. P. 338. 
Cotyledon palustris, Ger.em. 529, 5. 
Water pennywort. Sheepkilling pennygrasse. Pennyrot. While rot. 
Flowkwort. 
Bogs and watery places ; perennial ; May and June. 
Stem creeping ; leaves opposite, petioled, limb horizon- 
tal, pale green, shining ; peduncles axillary, solitary, or in 
pairs; Iractece 2, ovate, scariose; umlells often proliferous. 
- — Supposed to render sheep dropsical, or rot them. 
XIV. 279. CICUTA. Pliny. Cow-lane . 
Involucrum 0, or few-leaved ; involucella many-leaved ; 
calyx 5-toothed; petals reverse ovate, heartshape; lacinule 
lanceolate, pointed ; fruit roundish, crowned ; akenium 
ovate, semiglobose, beaked ; ribs 5, torulose ; dorsal valle- 
cules convex, 1-vittated; commissural 2-vittated, in a mem- 
brane ; spermapodium 2-parted ; spermapodophore very 
short, within the base of the akenia. 
Cicuta virosa. Poisonous cowlane. 
Leaves pinnate ; leaflets bald, lanceolate, serrate ; umlells 
opposite to the leaves ; fruit 2-globular. 
Sium alterum oiusatri facie, Raii Syn. 212, 1 ; Ger. em. 256, 4. 
Sium majus alterum angustifolium, Park. 1241. 
Cicutaria, Rivinus Pent. reg. 
Cicuta virosa, Lin. S. P. 366. * 
Cicuta aquatica, De Cand. FI. Gall. 3438. 
Coriandrum Cicuta, Roth Germ. ISO. 
Long-leaved watcrcrcsses. Long-leaved water -hemlock. Water cowbane. 
