CLASS V. ORDER II. 117 



126. CONIUM. 

 CoNiuM MAcuLATUM. L. Hemlocli. 



American Medical Botany, PI. xi. 



Fruit unarmed, with the ridges undulated. 



A well known poisonous plant used as a narcotic in medi- 

 cal practice. Root biennial, somewhat fusiform and generally 

 branched. Stalk round, very smooth, striated, hollow, jointed, 

 and more or less marked with purplish spots. Leaves two or 

 three times pinnate, of a very bright green, with long sheathing 

 petioles inserted on the joints of the stem ; the leafets pinnatifid 

 and toothed. Flowers in terminal umbels, the general involucre 

 with half a dozen lanceolate, reflected leafets, the partial invo- 

 lucre with three or four situated on the outside. Flowers very 

 small, white. Petals five, oval with their points inflexed. Sta- 

 mens five, spreading, about the length of the corolla. Germ in- 

 ferior. Styles two, reflexed outward!}'. Fruit roundish-oval, 

 compressed, ribbed, the ribs being transversely wrinkled or cre- 

 nate, separating into two oblong hemispherical seeds. — In waste 

 ground and road sides. — June. — Biennial. 



127. ANGELICA. 

 Angelica triquinata. Mich. Common Angelica. 



Petiole three parted, its divisions pinnate-five leav- 

 ed ; leafets cut-toothed, of the terminal leafets the odd 

 one rhomboid, sessile, the lateral ones decursive. Mich. 

 Syn. Angelica atrofurpurea. ? N. Y. Cat. 



A very large umbellate plant, well known for its fine aromatic 

 flavor. Stem five or six feet high and an inch or more in thick- 

 ness, hollow, purplish, smooth throughout. Stipules large and 

 swelling. Petioles roundish, slightly furrowed on the upper side. 

 Leaves mostly twice ternate, smooth, pale and veiny beneath, 

 the terminal leafet sessile and sometimes three lobed, the highest 

 lateral ones decurrent ; all of them sharply and irregularly ser- 

 rate. Umbels three, terminal, spherical, without general invo- 

 lucre. Partial stalks angular, with subulate involucres, shorter 

 than the pedicels. Petals green with a tinge of red on the out- 



