XIX. 
CICUTA VIROSA. 
Poisonous Cowbane, Water Cowbane, Long-leaved Water 
Hemlock. 
SynoyyMs.—Cicuta aquatica, Murray, Bergius, Wepfer. Sium alterum olusatri 
facie, Lobel, Ray. Sium eruce folio, Bawh. Mw. Sium majus angustifolium, 
Park, Hail, Flor. Dan. Cicuta virosa, Huds. Flor. Ang., Engl. Bot. 
Forrien Names.—Fyr.: Cigue vireuse, Cicutaire vénéneuse, Cigue d’eau- 
Germ.: Der Wiitherich. Dut.: Water-scheerling. Ital. : Cicuta virosa. Port. : 
Cegude. Dan.: Vand skarntyde. Russ.: Omeg. 
Nat. Order, UMBELLIFERH.—PENTANDRIA, DIGYNIA. 
Gen. Cuar.—Flowers uniform, perfect, and nearly regular. Calya five- 
toothed, somewhat leafy margin. Corolla of five inversely heart-shaped 
petals, with an inflexed point. Filaments five, thread-shaped, spreading, 
about as long as the corolla. Anthers roundish. Germen inferior, 
hemispherical, compressed, ribbed. Styles two, thread-shaped, short, 
upright, scarcely tumid at the base; subsequently elongated, spreading, 
and permanent. Stigmas blunt, almost capitate. Floral receptacle de- 
pressed, withering. Fruit roundish, contracted at the sides. Double 
carpels, with five flattish, equal ribs, of which the two lateral ones form 
a margin. Channels (interstices) with single vitte, which fills them 
even in a dried state, but then less elevated than the ribs. Commissure 
(juncture, or point of union) furnished with two vitte, under a loose 
membrane. Carpophore, (receptacle of the fruit) two-parted, transverse 
section. Seed nearly round. Universal involucrum of few leaves, or 
wanting ; partial, of many leaves. Flowers white. 
Srrc. Cuar.—Trunk of root hollow, divided into cells by transverse disse- 
piments; fibres disposed in whorled fascicles. Leaves twice ternate. 
Segments spear-shaped, serrated. Umbels opposite the leaves, and 
terminal (Bazter). 
Fig. 1. The flower, 2. Bract. 3. Calyx. 4. Germen, calyx, and pistils, all 
magnified, 
