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re mostly in three, or some multiple of three, parts, and their embryos have but a single cotyledon, with the first leaves alternate. The endogens constitute one of the great primary classes of plants, and included all palms, true lilies, grasses, rushes, orchids, the banana, pineapple, etc. See Exogen.…

Any monocotyledonous plant; -- so named because many monocotyledons have an endorhizal embryo.

Having the radicle of the embryo sheathed by the cotyledon, through which the embryo bursts in germination, as in many monocotyledonous plants.

to the outside next to the bark. The leaves are commonly netted-veined, and the number of cotyledons is two, or, very rarely, several in a whorl. Cf. Endogen. Gray.

A name given by Lestiboudois to dicotyledons; -- so called because the plumule is naked.

A plant Whose radicle is not inclosed or sheathed by the cotyledons or plumule. Gray.

Having a radicle which is not inclosed by the cotyledons or plumule; of or relating to an exorhiza.

A little leaf bud, as the plumule between the cotyledons.

eaning or resting; -- said of anthers when lying on the inner side of the filament, or of cotyledons when the radicle lies against the back of one of them. Gray.

of a lateral outgrowth from the stem, whether appearing as a part of the foliage, or as a cotyledon, a scale, a bract, a spine, or a tendril.

Having the cotyledons of a dicotyledonous embryo confluent, and forming a large mass compared with the rest of the body. Henslow.

Any monocotyledonous plant.

Monocotyledonous.

A European perennial succulent herb (Cotyledon umbilicus), having round, peltate leaves with a central depression; -- also called pennywort, and kidneywort.

Having the radicle of the embryo lying against the back of one of the cotyledons; incumbent.

substance in the center of the stems of many plants and trees, especially those of the dicotyledonous or exogenous classes. It consists of cellular tissue.

st bud, or gemmule, of a young plant; the bud, or growing point, of the embryo, above the cotyledons. See Illust. of Radicle. Gray.

The rudimentary stem of a plant which supports the cotyledons in the seed, and from which the root is developed downward; the stem of the embryo; the caulicle.

leaves of various plants, usually by some species of Phylloxera. -- Seed leaf (Bot.), a cotyledon. -- Seed lobe (Bot.), a cotyledon; a seed leaf. -- Seed oil, oil expressed from the seeds of plants. -- Seed oyster, a young oyster, especially when of a size suitable for transplantation to a new locality. -- Seed p…

Bearing the stamens directly on the receptacle; -- said of a subclass of polypetalous dicotyledonous plants in the system of De Candolle.