154 UMBELLIFER<. (PARSLEY FAMILY.) 



ovate-oblong, often blunt, serrate; involucels as long as the umbellets; pedun- 

 cles ami fruit tiuicni/, broadly idiujal. 1J. (Angelica triquinata, Nutl.) Dry 

 open woods, New York to Michigan, and southward. July. Flowers white. 



2. A. atropurpui'ca, Iloifm. (GREAT ANGELICA.) Smooth; stem 

 dark purple, my stout (4-G high), hollow; leaves 2-3-temately compound; 

 the leaflets ji innate, 5-7, sharply cut serrate, acute, pale beneath ; petioles much 

 inflated; involucels very short ; fruit smooth, iriiujcd. y. (Angelica triquinata, 

 Miclu-.) Low river-banks, N. England to Penn., Wisconsin, and northward. 

 June. Flowers greenish-white. Plant strong-scented; a popular aromatic. 



3. A. peregrina, Nutt. Stem a little downy at the summit (l-3 

 high) ; leaves 2-3-ternatcly divided, the leaflets ovate, acute, cut-serrate, 

 glabrous; involucels about as long as the umbellets ; fruit oblong with 5 thick 

 and corky wing-like ribs to each carpel, the marginal ones little broader than the 

 others. y. Rocky coast of Massachusetts Bay and northward. July. 

 Flowers greenish-white. Plant little aromatic. Fruit so thick and so equally 

 ribbed, rather than winged, that it might be taken for a Ligusticum. It is A. 

 Gmelini, of N. W. America. 



13. COIVIOSELtlVUilI, Fischer. HEMLOCK PARSLEY. 



Calyx-teeth obsolete. Fruit oval ; the carpels convex-flattish and narrowly 

 3-winged on the back, and each more broadly winged at the margins : oil-tubes 

 in the substance of the pericarp, 1 -3 in each of the intervals, and several on the 

 inner face. Smooth herbs, with finely 2 - 3-pinnately compound thin leaves, 

 inflated petioles, and white flowers. Involucre scarcely any: leaflets of the 

 involucels awl-shaped. (Name compounded of Conium, the Hemlock, and 

 ReUnum, Milk-Parsley, from its resemblance to these two genera.) 



1. C. CanadcilSC, Torr. & Gr. Leaflets pinnatifid; fruit longer than 

 the pedicels. 1J. Swamps, Vermont to Wisconsin northward, and southward 

 in the Alleghanies. Aug. Herbage resembling the Poison Hemlock 



14. M TIIl)S A, L. FOOL'S PARSLEY. 



Calyx -teeth obsolete. Fruit ovate-globose ; the carpels each with 5 thick 

 t-lmrply-kccled ridges : intervals with single oil-tubes. Annual, poisonous 

 herbs, with 2 - 3-ternately compound and many-cleft leaves, the divisions pin- 

 nate, and white flowers. (Name from aWa>, to bum, from the acrid taste.) 



1. .flE. CYN\PIUM, L. Divisions of the leaves wedge-lanceolate ; involucre 

 none ; involucels 3-lcaved, long and narrow. About cultivated grounds, New 

 England, &c. July. A fetid, poisonous herb, with much the aspect of Poison 

 Hemlock, but with dark-green foliage, long hanging involucels, and unspotted 

 stem. (Adv. from Eu.) 



15. LIGilSTICUIU, L. LOVAOE. 



Calyx-trcth small or minute. Fruit elliptical, round on the cross-section, or 

 slightly flattened on the sides; the carpels each with 5 sharp and projecting or 

 narrowly winged ridges : intervals and Inner face with many oil-tubes. Peren- 



