equisetum

equisetum is defined in Webster's Unabridged Dictionary (1913) with 1 sense. The full text of each entry is reproduced verbatim below.

Definitions

  1. 1.A genus of vascular, cryptogamic, herbaceous plants; -- also called horsetails. Note: The Equiseta have hollow jointed stems and no true leaves. The cuticle often contains siliceous granules, so that one species (E. hyemale) is used for scouring and polishing, under the name of Dutch rush or scouring rush.

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

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