PI, ex. cal . 45. UMBELLIFERiE. 276. Drepan. 505 
Sium latifolium foliis variis, Raii Syn. 211,3. 
Sium majus latifolium, Ger. em. 256. 
Siam lktifolium, Bauh. Pin. 15; Lin. S. P. 361. 
Cojiamirium latifolium, Drantz Austr. 212. 
Drepanophyllum palustre, Hoffmann TJmb. 110. 
Great water parsnep. Broad-leaved water-par snep. 
Bogs and rivulets; perennial; July and August. 
Hoot creeping; stem angular ; leaves bald ; leaflets mostly 7, 
lowermost sometimes cut; umbells terminal and lateral* 
flattish. — Plant acrid ; roots supposed to be poisonous. 
XII. 277. SIUM. Dioscorides. Water-par snep. 
Involucrum 0, or many-leaved, deciduous ; involucella 
many-leaved, ovate; calyx slightly 5-toothed ; petals equal, 
reverse heartshape, nicked ; lacinule channelled, tip 2-cut, 
inflected ; fruit ovate ; akenium semi-ovate, 5-ribbed ; ribs 
blunt ; spermopodium bristlelike, 2-cut. 
1. Sium erectum . Upright water -pax snep. 
Stem upright; leaves pinnate; leaflets unequally lobed 
and serrated ; umbells peduncled, opposite to the leaves. 
Sium sive Apium palustre foliis oblongis, Raii Syn. 211,4. 
Sium majus angustifolium, Ger. em. 256, 2. 
Sium minus alternum, Parle. 1241. 
Sium angustifolium, Lin, S. P. 1672. 
Sium erectum, Hudson FI. Angl. ed. 1, 103. 
Sium nodiflorum, Flor. Panic a, . 
IS arrow-leaved water-parsnep. 
Ditches and rivulets ; perennial ; July and August. 
Stem streaked ; leaves quite bald ; umbells hemispherical. 
2. Sium nodiflorum. Joint-flowering water-parsnep . 
Stem procumbent; leaves pinnate; leaflets equal, ovate, 
unequally serrated ; umbells sessile, opposite to the leaves. 
Sium umbellatum repens, Raii Syn. 211, 5; Ger. em. 256,3. 
Sium nodiflorum, Lin. S. P. 361. 
Creeping water-parsnep. 
Watery places; perennial ; July and August. 
Root creeping; stem prostrate or swimming; leaflets 5 
or 9, sessile ; umbells nearly sessile, 5 or 7-cut ; involucrum 
deciduous. — Juice in doses of 2 to 4 oz. either alone, or 
with milk, every morning, an excellent alterative in obsti- 
nate cutaneous diseases. 
3. Sium repens. Creeping water-parsnep . 
Stem prostrate, creeping; leaves pinnate ; leaflets roundish, 
toothed, incised; terminal leaflet largest, 3 -lobed ; umbells 
peduncled, opposite to the leaves. 
