gall-berry

A small canal constructed at private expense extended nearly the whole distance and afforded great facilities in the execution of a survey which otherwise must have progressed very slowly, from the necessity of penetrating an all-pervasive and very dense underwood of gall-berry, fetter bushes and brambles mixed occasionally with reeds.

The Beginnings of Public Education in North Carolina; A Documentary History, 1790-1840. Vol. II Charles Lee 1908

The leaves and berries of gall-berry bush made a good black much used by hatters and weavers.

Home Life in Colonial Days Alice Morse Earle 1881

Wool is dyed black with a mixture of gall-berry leaves and sumac berries; for red they use a moss which they find growing on the rocks, and which may be the lichen _Roccella tinctoria_ or dyer's-moss; also madder root, and sassafras bark.

Home Life in Colonial Days Alice Morse Earle 1881