204 Zanthorhiza apiifolia. 
SYNONYMA. 
ZANTHORHIZA tinctoria. Woodhouse. 
ZANTHORHIZA simplicissima. Marshall. 
ZANTHORHIZA Marbosia. Bartram. 
PHARM. 
ZANTHORHIZ# apiifolie. Cortex et lignum radicis. Cortex caulis. 
Tus small shrub is from two to three feet high; and is a native of 
the southern atlantic states, where it is principally restricted to the 
mountains. It is abundant on the banks of the Ohio and in the upper 
districts of Carolina, near the mountains. The root is horizontal, send- 
ing off numerous suckers. The stem is simple, the bark smooth, but 
covered on the young shoots with angular fissures, and the wood is 
bright yellow. The leaves are triternate, simply or doubly pseudo- 
pinnate, crowded together at the upper portion of the stem. Leaflets 
broad-lanceolate, or ovate-lanceolate, acute, doubly serrated, sessile, 
of a yellow-green colour, smooth above, and slightly pubescent un- 
derneath, supported by long petioles swelling at the base ihto an am- 
plexicaule sheath. Flowers in divided racemes, drooping below the 
leaves, of a dark purple colour, with obovate, bilobed, deep purple 
nectaries. Germs superior, flattened, from five to nine in number, 
crowned by styles which vary from two to eight. Capsules inflated and 
compressed, one-celled, two-valved, opening at the apex, Seeds oval 
