FROSTWEED, FROSTWORT
\fɹˈɒstwiːd], \fɹˈɒstwiːd], \f_ɹ_ˈɒ_s_t_w_iː_d]\
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In the United States, the popular name of a plant (Helianthemum canadense), sometimes used in medicine as an astringent and aromatic tonic. It is so called because late in autumn crystals of ice shoot from the cracks of the bark of its root. Called also ROCK-ROSE.
By Daniel Lyons
