Scorpion-grass: A genus of the monogynous order, belonging to the pentandria clas of plants; and in the natural method ranking under the 41st order, Alferifolia. The corolla is salver-shaped, quinquedent, and emarginated; the throat shut up by small arches. There are four species; of which the most remarkable is the scorpioides, or mouse-ear. This is a native of Britain, growing naturally in dry fields, and on the margins of springs and rills. It hath naked seeds, and the points of the leaves callous. It varies considerably in different situations. In dry places the plant and flowers are smaller; in moist ones both are larger, and sometimes hairy. The blossoms vary Myosurus vary from a full blue to a very pale one, and sometimes a yellow; and appear in a long spirally twisted spike. When it grows in the water, and its taste and smell is thereby rendered less observable, sheep will sometimes eat it; but it is generally fatal to them. Cows, horses, swine, and goats refuse it.