horsetails's Usage Examples:

The horsetails are remarkable for the large quantity of silica they contain in the cuticle (hence their value in polishing), which often amounts to half the weight of the ash yielded by burning them; the roots contain a quantity of starch.

The stamens of Araucaria and Agathis are peculiar in bearing several long and narrow free pollen-sacs; these may be compared with the sporangiophores of the horsetails (Equisetum); in Taxus (yew) the filament is attached to the centre of a large circular distal expansion, which bears several pollen-sacs on its under surface.

Vascular Cryptogams still include one or two large horsetails with stems over an inch thick, and also 37 species of Fern, amongst the most interesting of which are 5 species belonging to the climbing Lygodium, a genus now living in Java.

Taking first this most northerly locality, in Grinnell Land, we find the flora to comprise 2 horsetails, i i Conifers (including the living Pinus Abies), 2 grasses, a sedge, 2 poplars, a willow, 2 birches, 2 hazels, an elm, a Viburnum, a water-lily, and a lime.

Our modern diminutive " horsetails " with scaly leaves were represented in the Carboniferous period by gigantic calamites, often with a diameter of I to 2 ft.

Synonyms:

strobilus, rough horsetail, Equisetum fluviatile, wood horsetail, variegated scouring rush, cone, Equisetum variegatum, Equisetum palustre, common horsetail, Equisetum hyemale robustum, marsh horsetail, water horsetail, swamp horsetail, genus Equisetum, field horsetail, Equisetum hyemale, Equisetum robustum, Equisetum, Equisetum Sylvaticum, scouring rush, variegated horsetail, strobile, Equisetum arvense, fern ally,

Antonyms:

natural object,