Search the Dictionary

To fertilize, as the stigmas of a flower or plant, with the pollen from another individual of the same species.

Past the flowering state; having shed its pollen. Gray.

owers structurally perfect, but practically dioecious, -- those on one plant producing no pollen, and those on another no ovules.

Fertilized by the agency of insects; -- said of plants in which the pollen is carried to the stigma by insects.

The outer membrane of the grains of pollen of flowering plants.

Pollen. [R.] Craig.

To render fruitful or prolific; to impregnate; as, in flowers the pollen fecundates the ovum through the stigma.

Containing pollen; -- said of anthers.

ting or impregnating animal or vegetable germs; esp., the process by which in flowers the pollen renders the ovule fertile, or an analogous process in flowerless plants; fecundation; impregnation. Close fertilization (Bot.), the fertilization of pistils by pollen derived from the stamens of the same blossom. -- Cross…

One of the fine granules contained in the protoplasm of a pollen grain.

Fertilization of flowers by pollen from other flowers on the same plant.

d, sugar, salt, etc.; hence, any minute portion or particle; as, a grain of gunpowder, of pollen, of starch, of sense, of wit, etc. I . . . with a grain of manhood well resolved. Milton.

plants, so called by Lindley, because the ovules are fertilized by direct contact of the pollen. Same as Gymnosperm.

e spring and summer seasons. It has been attributed to the effluvium from hay, and to the pollen of certain plants. It is also called hay asthma, hay cold, and rose fever. -- Hay knife, a sharp instrument used in cutting hay out of a stack or mow. -- Hay press, a press for baling loose hay. -- Hay tea, the juice of…

A thin membrane existing in the pollen grains of some plants, and situated between the extine and the intine, as in .

t, extensible membrane of extreme tenuity, which forms the innermost coating of grains of pollen.

mass or collection of hairs on the legs of bees, by aid of which they carry the collected pollen to the hive or nest; -- usually in the plural.

An opening in the outer coat of a seed, through which the fecundating pollen enters the ovule. -- Mi*crop"y*lar, a.

A plant or vegetable produced by impregnating the pistil of one species with the pollen or fecundating dust of another; -- called also hybrid.

Direct fertilization in plants, as when the pollen fertilizing the ovules comes from the stamens of the same blossom; -- opposed to heterogamy.