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to, or derived from, Friedrich Froebel, or the kindergarten system of education, which he organized. -- n.

The organ formed by the combination or union into one body of stem and leaf, and often bearing the fructification; as, the frond of a fern or of a lichen or seaweed; also, the peculiar leaf of a palm tree.

The collective organs by which a plant produces its fruit, or seeds, or reproductive spores.

Fleeting; lasting but a short time; -- applied particularly to organs or parts which are short-lived as compared with the life of the individual.

Propped; supported by accessory organs. [R.] Gray.

An accessory organ such as a tendril, stipule, spine, and the like. [R.] Gray.

sk illuminated, as when opposite to the sun. (b) The time when the moon is full. -- Full organ (Mus.), the organ when all or most stops are out. -- Full score (Mus.), a score in which all the parts for voices and instruments are given. -- Full sea, high water. -- Full swing, free course; unrestrained liberty; "Leav…

or derived from, fumitory (Fumaria officinalis). Fumaric acid (Chem.), a widely occurring organic acid, exttracted from fumitory as a white crystallline substance, C2H2(CO2H)2, and produced artificially in many ways, as by the distillation of malic acid; boletic acid. It is found also in the lichen, Iceland moss, and h…

The appropriate action of any special organ or part of an animal or vegetable organism; as, the function of the heart or the limbs; the function of leaves, sap, roots, etc.; life is the sum of the functions of the various organs and parts of the body.

Pertaining to the function of an organ or part, or to the functions in general. Functional disease (Med.), a disease of which the symptoms cannot be referred to any appreciable lesion or change of structure; the derangement of an organ arising from a cause, often unknown, external to itself opposed to organic disease,…

In a functional manner; as regards normal or appropriate activity. The organ is said to be functionally disordered. Lawrence.

Destitute of function, or of an appropriate organ. Darwin.

The bottom or base of any hollow organ; as, the fundus of the bladder; the fundus of the eye.

Any one of the Fungi, a large and very complex group of thallophytes of low organization, -- the molds, mildews, rusts, smuts, mushrooms, toadstools, puff balls, and the allies of each.

In Bryozoa, an organ extending back from the stomach. See Bryozoa, and Phylactolema.

A colorless, oily substance, C4H4O, obtained by distilling certain organic substances, as pine wood, salts of pyromucic acid, etc.; -- called also tetraphenol.

A mixed or compound stop in an organ; -- sometimes called mixture.

Pertaining to, or derived from, galls, nutgalls, and the like. Gallic acid (Chem.), an organic acid, very widely distributed in the vegetable kingdom, being found in the free state in galls, tea, etc., and produced artificially. It is a white, crystalline substance, C6H2(HO)3.CO2H, with an astringent taste, and is a st…

In the alternation of generations in plants, that generation or phase which bears sex organs. In the lower plants, as the algæ, the gametophyte is the conspicuous part of the plant body; in mosses it is the so-called moss plant; in ferns it is reduced to a small, early perishing body; and in seed plants it is usually m…

That stage of growth or development in an organism, in which the reproductive elements are generated and matured in preparation for propagating the species.