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a prerennial herb (Rumex Acetosella) growing naturally on poor, dry, gravelly soil. Its leaves have a pleasant acid taste like sorrel. -- Sheep's-wool (Zoöl.), the highest grade of Florida commercial sponges (Spongia equina, variety gossypina). -- Sheep tick (Zoöl.), a wingless parasitic insect (Melophagus ovinus) b…

The outer frame or case of a block within which the sheaves revolve.

A genus of shrubs having silvery scurfy leaves, and belonging to the same family as Elæagnus; also, any plant of this genus. See Buffalo berry, under Buffalo.

f the genus Aspidisca, whose larva makes a shieldlike covering for itself out of bits of leaves.

in leaf (Bot.), a perennial ericaceous herb (Pyrola elliptica) with a cluster of radical leaves and a raceme of greenish white flowers.

Having the surface smooth and polished; -- said of leaves, the surfaces of shells, etc.

himself with ready trident stands, And opes the deep, and spreads the moving sands, Then heaves them off the shoals. Dryden.

A pile or assemblage of sheaves of grain, as wheat, rye, or the like, set up in a field, the sheaves varying in number from twelve to sixteen; a stook. And cause it on shocks to be by and by set. Tusser. Behind the master walks, builds up the shocks. Thomson.

fluke to give it a better hold in soft ground. -- Shoe block (Naut.), a block with two sheaves, one above the other, and at right angles to each other. -- Shoe bolt, a bolt with a flaring head, for fastening shoes on sleigh runners. -- Shoe pac, a kind of moccasin. See Pac. -- Shoe stone, a sharpening stone used by…

th feet on one side of the animal mounted. Sidesaddle flower (Bot.), a plant with hollow leaves and curiously shaped flowers; -- called also huntsman's cup. See Sarracenia.

ilk tree (Bot.), an Asiatic leguminous tree (Albizzia Julibrissin) with finely bipinnate leaves, and large flat pods; -- so called because of the abundant long silky stamens of its blossoms. Also called silk flower. -- Silk vessel. (Zoöl.) Same as Silk gland, above. -- Virginia silk (Bot.), a climbing plant (Periploc…

Bot.), a lofty Australian tree (Grevillea robusta) with silky tomentose lobed or incised leaves. It furnishes a valuable timber.

See Illust. under Diver. -- Silver hake (Zoöl.), the American whiting. -- Silver leaf, leaves or sheets made of silver beaten very thin. -- Silver lunge (Zoöl.), the namaycush. -- Silver moonfish.(Zoöl.) See Moonfish (b). -- Silver moth (Zoöl.), a lepisma. -- Silver owl (Zoöl.), the barn owl. -- Silver perch (Zo…

A perennial rosaceous herb (Potentilla Anserina) having the leaves silvery white beneath.

d adjectively; as, sister fruits. Pope. Sister Block (Naut.), a tackle block having two sheaves, one above the other. -- Sister hooks, a pair of hooks fitted together, the shank of one forming a mousing for the other; -- called also match hook. -- Sister of charity, Sister of mercy. (R. C. Ch.) See under Charity, and…

Any small moth whose larva eats the parenchyma of leaves, leaving the skeleton; as, the apple-leaf skeletonizer.

g; as, a slaty color or texture. Slaty cleavage (Min.), cleavage, as of rocks, into thin leaves or plates, like those of slate; -- applied especially to those cases in which the planes of cleavage are not parallel to the planes of stratification. It is now believed to be caused by the compression which the strata have…

Leucoium (L. vernum, æstivum, etc.) resembling the snowdrop, but having all the perianth leaves of equal size.

ommon plant (Saponaria officinalis) of the Pink family; -- so called because its bruised leaves, when agitated in water, produce a lather like that from soap. Called also Bouncing Bet.

mex Axetosa. -- Sorrel tree (Bot.), a small ericaceous tree (Oxydendrum arboreum) whose leaves resemble those of the peach and have a sour taste. It is common along the Alleghanies. Called also sourwood. -- Wood sorrel (Bot.), any plant of the genus Oxalis.