Ara'lia racemo'sa, Aralia, American Spikenard, Spignet, N.F. -- Araliaceae. The dried rhizome and roots with not more than 5 p.c. of stem-bases or other foreign organic matter; United States, Georgia to Canada, west to Rocky Mountains. Large perennial herb, 1 M. (40') high, branched, leaflets ovate, cordate, serrate; flowers small, greenish-yellow. Rhizome, 12 Cm. (5') long, 5 Cm. (2') thick, scaly, pale brown, internally whitish, frequently cut longitudinally, nodes approximate, prominent stem-scars, 3 Cm. (1 1/5') broad, fracture fibrous; roots numerous, .5-.7 M. (20-30') long, 5-25 Mm. (1/5-1') thick; odor aromatic, taste mucilaginous, pungent, slightly acrid. Powder, yellowish--starch grains, calcium oxalate rosettes, tracheae, lignified cells with walls showing simple pores (dist. fr. A. Nudicaulis); solvent: diluted alcohol; contains resin, volatile oil, starch, pectin. Stimulant, diaphoretic, alterative; syphilis, chronic rheumatism and cutaneous affections; locally to sluggish ulcers. Dose, gr. 30-60 (2-4 Gm.); 1. Fluidextractum Araliae, (67 p.c. alcohol), dose, 3ss-1 (2-4 cc.).