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Webster 1913 Edition
Bloodwort
Blood′wortˊ
,Noun.
(Bot.)
A plant,
Rumex sanguineus
, or bloody-veined dock. The name is applied also to bloodroot (Sanguinaria Canadensis
), and to an extensive order of plants (Hæmodoraceæ
), the roots of many species of which contain a red coloring matter useful in dyeing.