UMBELLIFER.E. (I'ARSLKY FAMILY.) 197 



22. CRYPTOTJENIA, DC. IIonf.wort. 



C.ilyx-tectli ol)solete. Fruit ohloii};, contnicted at tlic sides; tlic carpels 

 equally aiui obtusely S-ribbed : oil-tubes very slender, one in caeli interval and 

 one under caeh rib. Seed slightly concave on the inner face. — A perennial 

 smooth herb, with thin 3-foliolatc leaves, the undieJs and unibellets with very 

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

 composed of k/jutttos. /lidda), and raivia, ajillcl, from the concealed oil-tubes.) 



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

 2° hiyh. Leaflets larye, ovale, jioiuted, doubly serrate, the lower ones lobed. 



23. CH^ROPHYLLUM, L. Chervil. 



Calyx-teeth obsolete. Fruit linear or obloiijj;, ])ointed or short-beaked, con- 

 tracted at the sides ; the carpels .'i-riljbed, at least at the apex : inner face of 

 the seed deejily grooved lengthwise : intervals usually with single oil-tulws. — 

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

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

 white. (Name from ;:^aipa), to (jludden, and (pvXXov, a buj] alluding to the 

 agreeable aromatic o<lor of the foliage.) 



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

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

 or pcduncled) ; fruit imrrowly oblong, with conspicuous narrow ribs, not beaked. 

 — Moist coj)scs. New Jersey to Illinois and southward. May, June. 



2. C. .s.vTivuM, Lam. (G.vrden Chervil.) Taller; lobes of the leaves 

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

 shorter than the seed. (Anthri'scus Ccrefolium, Ilqff'm.) — Karely seen in 

 gardens (as a sweet herb), but thoroughly spontaneous in fields and copses near 

 Lancaster, reuii., /'ri>f. T. C. Porter. (Nat. from Eu.) 



24. OSMORRHIZA, Raf Sweict Cicely. 



Calyx-teeth obsolete. Fruit linear-oblong, angled, ta]iering downwards into 

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

 with sharj) 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-tcrnately compound leaves ; the leaflets ovate, 

 pinnatifid-toothed. Livolucreand involucels few-leaved. Flowers white. (Name 

 from u(Tfi.rj. It sniit. and f)iC^< <i root, from the anise-like flavor of the latter.) 



1. O. longistylis, DC. (Smoother Sweet Cicely.) Styles slmder, 

 nrarfij as loiifj as the oviirij ; laiflets s/inrhufli/ pithfsrciit or smooth wjieii old, slioii- 

 /Joi/iW, cut-toothed, sometimes lobed. — Rich moist woods: conniKmest north- 

 ward. May, June — Plant .3° high, branching : stem reddish. 



2. O. brevistylis, DC. (IIairv SwEin' Cicely.) Sti/lrs ronlad and uot 

 liDK/rr thdii t/tc hriadlli of tin- orari/ ; fruit somewhat tai)eriug at the summit; liaf- 

 Icls downi/dtain/, taiifr-jioliitid, jiiiiiintijid-iut. — Common : root less sweet. 



25. CONtUM, L. Poison Hemlock. 



Calyx-tccth ol)solete. Fniii- ovale, flattened at the .sides, the carpels with .") 

 prominent wavy rib.-;, and no oil-tubes : inner face of the seed with a deep uar 



