An attractive woodland plant for the shade garden with three-foot spikes of white flowers, said to be bug repellent. The compound, toothed leaves are glossy green; "black" refers to the color of the roots, which have been used as an expectorant, astringent, and emmenagogue. Indigenous people uses include as a tonic and to treat rheumatism. ORDERS PLACED AFTER MAY WILL BE SHIPPED IN THE FALL. MINIMUM 3 ROOTS: 3-6: $3.50 each; 7-49: $3.00 each; 50+: $2.50 each