158 TJMBELLIFER^E. (PARSLEY FAMILY.) 



23 CHJ1BOPHY1LUM, L. Chervil. 



Calyx-teeth obsolete. Fruit linear or oblong, pointed but not beaked, con- 

 tracted at the sides ; the carpels 5-ribbed : inner face of the seed deeply furrowed 

 lengthwise : intervals with single oil-tubes. — Leaves ternately decompound; 

 the leaflets lobed or toothed : involucre scarcely any : involuccls many-leaved. 

 Flowers chiefly white. (Name from x ai 'p <a > to gladden, and <pv\\ov, a leaf, 

 alluding to the agreeable aromatic odor of the foliage.) 



1. C. procumbens, Lam. Stems slender (6'- 18'), spreading, a little 

 hairy; lobes of the pinnatifid leaflets obtuse, oblong; umbels few-rayed (sessile 

 or peduncled) ; fruit narrowly oblong, with narrow ribs. — Moist copses, New 

 Jersey to Illinois and southward. May, June. 



24. OSUIORItBliZA, Raf. Sweet Cicely. 



Calyx-teeth obsolete. Fruit linear-oblong, angled, tapering downwards into 

 a stalk-like base, contracted at the sides, crowned with the styles ; the carpels 

 with sharp upwardly bristly ribs : inner face of the nearly terete seed with a deep 

 longitudinal channel: oil-tubes none. — Perennials, with thick very aromatic 

 roots, and large 2 -3-ternately compound leaves; the leaflets ovate, pinnatifid- 

 toothed. Involucre and involuccls few-leaved. Flowers white. (Name from 

 ocr/AT], a scent, and ptX a » a root, in allusion to the anise-like flavor of the latter.] 



1. O. loiigistylas, DC. (Smoother Sweet Cicely.) Styles slender, 

 nearly as long as the ovary ; leaflets sparingly pubescent or smooth when old, short- 

 pointed, cut-toothed, sometimes lobed. — Rich moist woods, commonest north- 

 ward. Mar, June. — Plant 3° high, branching: stem red. 



2. O. brevistylis, DC (Hairy Sweet Cicely.) Styles conical, not 

 longer than the breadth of the ovary ; fruit somewhat tapering at the summit ; leaf- 

 let* downy-hairy, taper-pointed, pinnatifd-cui. — Common. Root less sweet. 



25. CONiUM, L. Poison Hemlock. 



Calyx-teeth obsolete. Fruit ovate, flattened at the sides, the carpels with ft 

 prominent wavy ribs, and no oil-tubes : inner face of the seed with a deep nar- 

 row longitudinal groove. — Biennial poisonous herbs, with large decompound 

 leaves. Involucre and involucels 3-5-leaved, the latter 1 -sided. Flowers 

 white. (Koweioi', the Greek name of the Hemlock, by which criminals and 

 philosophers were put to death at Athens.) 



1. C. maculatum, L. Smooth; stem spotted; leaflets lanceolate, pinnati- 

 fid; involucels shorter than the umbellets. — Waste places. July. — A large 

 branching herb : the pale green leaves exhale a disagreeable odor when braised. 

 A virulent narcotico-acrid poison, used in medicine. (Nat. from Eu.) 



26. EIJJLOPIIUS, Nutt. Eulophds. 



Calyx-teeth small. Fruit ovoid, contracted at the sides and somewhat twin ; 

 the carpels smooth, indistinctly ribbed, and with a close row of oil-tubes : inner 

 face of the seed longitudinally channelled, the cross-section semilunar. — A 



