158 UMBELLIFER^. (PARSLEY FAMILY.) 



23. CHJEROPHYJLL.17M, 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 : involucels ma.ny-leaved. 

 Flowers chiefly white. (Name from x a>i P>i to gladden, and <u\Xoi/, 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. OSMORRHtZA, Eaf. 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 involucels few-leaved. Flowers white. (Name from 

 o<r/u.q, a scent, and pifa, a root, in allusion to the anise-like flavor of the latter.) 



1. O. longistylis, 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. 



2. O. brevistylis, DC. (HAIRY SWEET CICELY.) Styles conical, not 

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

 lets downy-hairy, taper-pointed, pinnatifid-cut. More common than the last. 



25. CONtlJOT, L. POISON HEMLOCK. 



Calyx-teeth obsolete. Fruit ovate, flattened at the sides, the carpels with 5 

 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. (K&vfiov, the Greek name of the Hemlock, by which criminals and 

 philosophers were put to death at Athens.) 



1. C. MACULXTUM, 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 bruised. 

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



26. EtrLiOPHUS, Nutt. EULOPHUS. 



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 



