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A genus of plants, one species of which (A. Mexicanum) has lavender-blue flowers in dense clusters.

n who first attacks or makes an aggression; he who begins hostility or a quarrel; an assailant. The insolence of the aggressor is usually proportioned to the tameness of the sufferer. Ames.

Wild; -- said of plants growing in the fields.

A genus of plants of the Rose family.

A sac or bladder full of air in an animal or plant; also an air hole in a casting.

A cavity in the cellular tissue of plants, containing air only.

A chamber or cavity filled with air, in an animal or plant.

cell, duct, or tube containing or conducting air; as the air vessels of insects, birds, plants, etc.; the air vessel of a pump, engine, etc. For the latter, see Air chamber. The air vessels of insects are called tracheæ, of plants spiral vessels.

, esp. Orcynus alalonga. One species (Orcynus thynnus), common in the Mediterranean and Atlantic, is called in New England the horse mackerel; the tunny. [Written also albacore.]

iris. The term is also used of the lower animals, as white mice, elephants, etc.; and of plants in a whitish condition from the absence of chlorophyll. Amer. Cyc.

Nourishing matter stored up within the integuments of the seed in many plants, but not incorporated in the embryo. It is the floury part in corn, wheat, and like grains, the oily part in poppy seeds, the fleshy part in the cocoanut, etc.

um of blood, and is found in other animal substances, both fluid and solid, also in many plants. It is soluble in water is coagulated by heat ad by certain chemical reagents. Acid albumin, a modification of albumin produced by the action of dilute acids. It is not coagulated by heat. -- Alkali albumin, albumin as modi…

An alcoholic tincture prepared with fresh plants. New Eng. Dict.

The plant costmary, which was formerly much used for flavoring ale.

le salt composed of the chlorides of ammonium and mercury. It was formerly used as a stimulant. Brande & C.

Watchful; vigilant; active in vigilance.

A plant (Macrochloa tenacissima) of North Africa; also, its fiber, used in paper making.

A kind of seaweed; pl. the class of cellular cryptogamic plants which includes the black, red, and green seaweeds, as kelp, dulse, sea lettuce, also marine and fresh water confervæ, etc.

living; being in a state in which the organs perform their functions; as, an animal or a plant which is alive.

c base, especially one of a class of substances occurring ready formed in the tissues of plants and the bodies of animals.