Webster’s Revised Unabridged Dictionary · 1913
Stigmaria
Stig·ma′ri·a, n. [NL. See Stigma.] (Paleon.) The fossil root stem of a coal plant of the genus Sigillaria.
Webster’s Revised Unabridged Dictionary · 1913
Stig·ma′ri·a, n. [NL. See Stigma.] (Paleon.) The fossil root stem of a coal plant of the genus Sigillaria.