Leaves irregularly pinnately decompound, the rather small leaflets incised.—Centreville,

Leaves.—Alternate; petioled; the lower pinnatifid; the upper pinnately cut into long narrow segments; glaucous; three to five inches long; smooth.

Panax, pa-naks′, n. a genus of shrubs with radiately or pinnately compound leaves and small flowers in compound umbels, the ginseng.