DMBELLIFERiE. (PARSLF.Y FAMILY.) 193 



12. ARCHANGELICA, IIofTm. Arciiaxgelica. 



Calyx-tectli sliort. Seed hecoiiiiii^' loose in tlic pericarp, coated with numer- 

 ous oil-tubes which adhere to its surliuo. Otherwise as in Angelica, from which 

 the species have heen separated, with hardly sufhcient reason. 



1. A. hirstlta, Torn &, Gr. Woollij or dowiiy at the top (SO-fjO hifrh), 

 rather slender; leaves twice pinnately or ternatcly divided; leaflets thickish, 

 ovatc-ohlon^'-, often blunt, serrate ; involiicels ivs long jis the uni!)ellcts ; pedun- 

 cles &ud fiitit dotriii/, broadli) icimied. (Angt'lica triquinUta, A'«<^) — Dry open 

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



2. A. atropui'purea, Hort'in. (Gkk.vt Angelica.) 6^woo//( .• stem dark 

 purple, W'/v/ .s7oH< (4°-(i° iiigh), hollow; leaves 2 -3-ternately compound; the 

 leaflets pinnate, 5-7, sharply cut serrate, acute, pale beneath; petioles much 

 inflated ; involucels very short ; fruit smooth, ii-inged. (Angelica tri(|uinata, 

 Mich.r.) — Low river-banks, New England to Penn., Wisconsin, and nortliward. 

 June. — Flowers greenish-w^hitc. Plant strong-scented. 



3. A. Gm61ini, DC. Stem a little downy at the summit ( l°-.3° high) ; 

 leaves 2-.3-ternatcly divided; the leaflets ovate, acute, cut-scrratc, glabrous ; in- 

 volucels about as long as the umbellets ; Jruit oblong with 5 thick and corky wing- 

 like ribs to each carpel, rte immjiiial ones little brouder than the others. (A. pcro- 

 gn'na, Xutt., & ed. 2.) — Kocky 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. 



13. CONIOSELINUM, Fischer. Hemlock-Parsley. 



Ciilyx-tceth obsolete. Fruit oval : the carpels convcx-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 perennials, with finely 2-3-pinnatcly compound thin 

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

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

 Selihuin, Milk-ParsIcy, from its resemblance to these two genera.) 



1. C. Canadense, Ton-. & Gr. Leaflets pinnatifid ; fruit longer than the 

 pedicels. — Swamps, Vermont to Wisconsin northward, and southward through 

 the Alleghanies. Aug. — Herbage resembling the Poison Hemlock. 



14. JETHITSA, h. Fool's Paksley. 



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

 phaqily-keelcd 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 aWoi, to burn, from the acrid taste.) 



1. -S3. CvnXphtm, L. Divisions of the leaves wedge-lanceolate; involucre 

 none : involucels 3-lcavcd, long and narrow. — Al)out cultivatinl grounds, New 

 England to Penn. July. — A fetid, poi,«onous herb, with much the aspect of 

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

 unspotted stem. (Adv. from Eu.) 



G M-9 



