UMBELLIFEILE. (PARSLEY FAMILY.) 197 



22. CRYPTOT.SJNIA, DC. HONEWORT. 



Calyx-teeth obsolete. Fruit oblong, contracted at the sides; the carpels 

 equally and obtusely 5-ribbed : oil-tubes very slender, one in each interval and 

 one under each rib. Seed slightly concave^on the inner face. A perennial 

 smooth herb, with thin 3-foliolate leaves, the umbels and umbellets with very 

 unequal rays, no involucre, and few-leaved involucels. Flowers white. (Name 

 composed of icpvirros, hidden, and raii/ia, a fillet, from the concealed oil-tubes.) 



1. C. Canad6nsis, DC. Thickets: common. June -Sept. Plant 

 2 high. Leaflets large, ovate, pointed, doubly serrate, the lower ones lobed. 



23. CH^ROPHYLLUM, L. CHERVIL. 



Calyx-teeth obsolete. Fruit linear or oblong, pointed or short-beaked, con- 

 tracted at the sides ; the carpels 5-ribbed, at least at the apex : inner face of 

 the seed deeply grooved lengthwise : intervals usually with single oil-tubes. 

 Chiefly annuals or biennials : leaves ternately decompound ; the leaflets lobed 

 or toothed : involucre scarcely any : involucels many-leaved. Flowers chiefly 

 white. (Name from xaipa, to gladden, and c^uAXoi/, a leaf, alluding to the 

 agreeable aromatic odor of the foliage. ) 



1. C. proCTimbens, 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 conspicuous narrow ribs, not beaked. 

 Moist copses, New Jersey to Illinois and southward. May, June. 



2. C. SATIVUM, Lam. (GARDEN CHERVIL.) Taller; lobes of the leaves 

 ovate and pinnatifid ; fruit oblong-linear, ribless, but tapering into a ribbed beak 

 shorter than the seed. (Anthriscus Cerefolium, Hoffm.) Rarely seen in 

 gardens (as a sweet herb), but thoroughTy^s^hlaiieous in fields and copses near 

 Lancaster, Penn., Prof. T. C. Porter. (Nat. from Eu.) 



24. OSMORRHIZA, 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 sweet-aro- 

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

 pinnatifid-toothed. Involucre and involucels few-Jeaved. Flowers white. (Name 

 from 0071,77, a scent, and pifa, a root, from the anise-like flavor of the latter.) 



1. O. longistylis, DC. (SJIOOTHER 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. May, June. Plant 3 high, branching : stem reddish. 



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

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

 lets downy-hairy, taper-pointed, pinnatifid-cut. Common : root less sweet. 



25. CONIUM, 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* 



