166 ARALIACEH, (GINSENG FAMILY.) 
| 23. OSMORRHIZA, Raf. 
Calyx-teeth obsolete. Fruit clavate, angled. Carpels with bristly ribs, fur- 
rowed on the commissure. Vittæ none. — Perennial herbs with aromatic roots. 
L@aves 2-ternate, with the leaflets ovate, toothed or serrate. Umbels opposite - 
the leaves. Involucre and involucel 2-5-leaved. Flowers white. 
1. O. brevistylis, DC. Styles very short, conical ; fruit somewhat taper- 
ing at the apex. — Mountains of North Carolina and northward. June.— 
Plant hairy, 12-13? high. Leaflets thin, acuminate, pinnatifid. 
* 
Orver 67. ARALIACEZE. (GriwseNa Family.) 
Umbelliferous herbs, shrubs, or trees, nearly as in the last order; but 
the flowers (chiefly polygamous) with flat and spreading petals, the styles 
and carpels of the baccate fruit usually more than two, and the embryo at 
the apex of copious fleshy albumen. 
E ARALIA, L Samara 
Calyx-teeth 5, or none. Petals, stamens, and spreading styles 5. Berry 
drupaceous, 5-lobed, 5-celled. — Herbs or shrubs. Leaves compound. Umbels 
corymbed or panicled. Flowers whitish. Berry black. 
* Stems herbaceous. 
1. A. racemosa, L. Stem smooth, leafy, widely branched ; leaves ternately 
decompound ; leaflets large, broadly cordate, doubly serrate; umbels very numer- 
ous, panicled. — Rich woods along the mountains, Georgia, and northward. 
July.— Root thick, aromatic. Stem 3°-5° high. 
2. A. hispida, Michx. Stem leafy, somewhat shrubby at the base, bristly ; 
leaves bipinnately compound ; leaflets lanceolate-ovate, sharply serrate ; umbels 
in naked peduncled corymbs. — Mountains of North Carolina, and northward. 
June and July. — Stem 1? - 2? high. . 
3. A. nudieaulis, L. Stem naked, short, bearing 3 long-peduncled um- 
bels at the apex; leaf solitary, radical, long-petioled, ternately divided, the 
divisions quinate; leaflets oblong-ovate, acuminate, serrate. — Mountains of 
North Carolina, and northward. May.— Root long and slender, aromatic. 
Stem 1° high, much shorter than the leaves, | 
poor * * Stems woody. wily 
4 A. spinosa, L. Stem simple, prickly ; leaves very large, crowded at 
the summit of the stem, bipinnately compound ; leaflets thick, ovate, crenate, 
glaucous beneath ; umbels in very large hoary panicles. — Swamps, Florida to 
Mississippi, and northward. July and August. — Stem 109 - 159 high. $ 
