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of animate beings, and also, figuratively, of things; as, a merciless tyrant; merciless waves. The foe is merciless, and will not pity. Shak.

A plant (Mercurialis annua), of the Spurge family, the leaves of which are sometimes used for spinach, in Europe.

A genus of herbaceous or suffruticose plants, chiefly natives of South Africa. The leaves are opposite, thick, and f

A mine from which ores are taken. [Obs.] Slaves . . . and persons condemned to metals. Jer. Taylor.

that flowers are homologous with leaf buds, and that the floral organs are transformed leaves.

One who engraves in mezzotint.

characterized by highly perfect cleavage, so that they readily separate into very thin leaves, more or less elastic. They differ widely in composition, and vary in color from pale brown or yellow to green or black. The transparent forms are used in lanterns, the doors of stoves, etc., being popularly called isinglass.…

Pertaining to, or containing, mica; splitting into laminæ or leaves like mica.

A common composite herb (Achillea Millefolium) with white flowers and finely dissected leaves; yarrow. Water milfoil (Bot.), an aquatic herb with dissected leaves (Myriophyllum).

histle (Bot.), an esculent European thistle (Silybum marianum), having the veins of its leaves of a milky whiteness. -- Milk thrush. (Med.) See Thrush. -- Milk tooth (Anat.), one of the temporary first set of teeth in young mammals; in man there are twenty. -- Milk tree (Bot.), a tree yielding a milky juice, as the…

icron or the millionth part of a millimeter; -- a unit of length used in measuring light waves, etc.

of numerous insects which, in the larval state, excavate galleries in the parenchyma of leaves. They are mostly minute moths and dipterous flies.

A sauce of vinegar and sugar flavored with spearmint leaves.

ordinary laws by which the universe is governed. They considered not the miracle of the loaves. Mark vi. 52.

en. Mist flower (Bot.), a composite plant (Eupatorium coelestinum), having heart-shaped leaves, and corymbs of lavender-blue flowers. It is found in the Western and Southern United States.

the names of certain numerals or to the numerals themselves, to indicate the number of leaves made by folding a sheet of paper; as, sixteenmo or 16mo; eighteenmo or 18mo. It is taken from the Latin forms similarly used; as, duodecimo, sextodecimo, etc. A small circle, placed after the number and near its top, is often…

e or an arc of a circle before a port which it serves to defend from the violence of the waves, thus protecting ships in a harbor; also, sometimes, the harbor itself. Brande & C.

A trailing plant (Lysimachia Nummularia), with rounded opposite leaves and solitary yellow flowers in their axils.

A cryptogamous plant of a cellular structure, with distinct stem and simple leaves. The fruit is a small capsule usually opening by an apical lid, and so discharging the spores. There are many species, collectively termed Musci, growing on the earth, on rocks, and trunks of trees, etc., and a few in running water.…

tal tree, the Pyrus (Sorbus) Americana, producing beautiful bunches of red berries. Its leaves are pinnate, and its flowers white, growing in fragrant clusters. The European species is the P. aucuparia, or rowan tree. -- Mountain barometer, a portable barometer, adapted for safe transportation, used in measuring the h…