- plural of equisetum.
Example Sentences
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The equiseta are very commonly met with in a vertical position more or less compressed perpendicularly.
From The Student's Elements of Geology by Lyell, Charles, Sir
The plants consist chiefly of zamites, calamites, equiseta, and ferns, and, upon the whole, are considered by Professor Heer to have the nearest affinity to those of the European Keuper.
From The Student's Elements of Geology by Lyell, Charles, Sir
The Calamites of the coal-measures bore indeed a very striking resemblance, and were closely related, to our modern horse-tails, as the equiseta are popularly called; but in some respects they differed considerably.
From The Story of a Piece of Coal What It Is, Whence It Comes, and Whither It Goes by Martin, Edward A.