Il. 
AXTHUSA CYNAPIUM. 
Lesser Hemlock, Fool’s Parsley, Dog's Parsley. 
Synoyyrms.—Cicutaria tenuifolia, Raii Syn. 215; Cicutaria apii folia, Bauh. 
Hist. vy. 3; Cicutaria fatua, Lob. Icon. v. 2, 280; Cynapium, Penlop; Corian- 
drum Cynapium, Crantz, Aust.; Althusa, Hall, Hist.; Aithusa Cynapium, Lina. 
Wilden., Flor. Brit., etc., etc.; Cicuta minor, Petroselinus similis, Towrnefort. 
Forrregn Names. — Fr.: La petite Cigue. Jtal.: Cicuta minore. Span.: 
Cicuta menore. Germ.: Kleinen Scheiling, Hundspetersilie. Dut.: Tuin scheer- 
ling. Russ.: Medwjéscheis koren. 
Nat. Order, UMBELLIFERE.—PENTANDRIA, DiGyntA. 
Dracnosts oF THE OrpER.—Umbellal exogens, with didymous fruit, and a 
double epigynous disk. 
Gen. Cuar.—Calyz, superior, minute. Petals five, inverse heart-shaped, 
with sharp, inflexed points. Fruit round, egg-shaped. Carpels, with five 
- elevated, thick, sharply-keeled ridges. Seeds half globose. General 
involucrum, none. Partial involucrum, of three unilateral pendulous 
leaves. 
Spec. CHar.—Leaves uniform. Leaflets wedge-shaped, decurrent, run- 
ning down the leaf-stalk. Segments pear-shaped. 
History.—According to Schulze (De Toxicol. Veter.), this 
plant was confounded by many early writers with the Conium 
maculatum, under the general term Cicuta. Hermolaus Bar- 
barus first distinguished it under the name Cicuta terrestris 
minore. It is mentioned by Matthiolus, Jonston, Dodecampus, 
Jungius, Miiller, and others, as producing extraordinary effects 
on those that eat of it. It is the Petroselinum vitium of Tragus. 
The Dauci inutilis genus of Gesner. Thalius calls it Apium 
Fig.1. Partial involucrum. 2. Corolla. 3. Carpellum. 4. Section of a seed- 
vessel. 5. Section of a carpellum. 6. Seed-vessel. 7. Germen, calyx, and style. 
