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Exoptile :: Exoptile (n.) A name given by Lestiboudois to dicotyledons; -- so called because the plumule is naked.

Exogen :: Exogen (n.) A plant belonging to one of the greater part of the vegetable kingdom, and which the plants are characterized by having c wood bark, and pith, the wood forming a layer between the other two, and increasing, if at all, by the animal addition of a new layer 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..

Monocotyledon :: Monocotyledon (n.) A plant with only one cotyledon, or seed lobe..

Endorhizous :: Endorhizous (a.) Having the radicle of the embryo sheathed by the cotyledon, through which the embryo bursts in germination, as in many monocotyledonous plants..

Polycotyledonary :: Polycotyledonary (a.) Having the villi of the placenta collected into definite patches, or cotyledons..

Endorhiza :: Endorhiza (n.) Any monocotyledonous plant; -- so named because many monocotyledons have an endorhizal embryo.

Dicotyledon :: Dicotyledon (n.) A plant whose seeds divide into two seed lobes, or cotyledons, in germinating..

Endogen :: Endogen (n.) A plant which increases in size by internal growth and elongation at the summit, having the wood in the form of bundles or threads, irregularly distributed throughout the whole diameter, not forming annual layers, and with no distinct pith. The leaves of the endogens have, usually, parallel veins, their flowers are 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 grea

Pseudo-monocotyledonous :: Pseudo-monocotyledonous (a.) Having two coalescent cotyledons, as the live oak and the horse-chestnut..

Dicotyledonous :: Dicotyledonous (a.) Having two cotyledons or seed lobes; as, a dicotyledonous plant..

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

Monocotyle :: Monocotyle (a.) Monocotyledonous.

Gemmule :: Gemmule (n.) A little leaf bud, as the plumule between the cotyledons..

Acotyledon :: Acotyledon (n.) A plant which has no cotyledons, as the dodder and all flowerless plants..

Monocotyl :: Monocotyl (n.) Any monocotyledonous plant.

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

Cotyledonal :: Cotyledonal (a.) Of, pertaining to, or resembling, a cotyledon..

Cotyledon :: Cotyledon (n.) A leaf borne by the caulicle or radicle of an embryo; a seed leaf.

Radicle :: Radicle (n.) 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..

Cotyledonous :: Cotyledonous (a.) Of or pertaining to a cotyledon or cotyledons; having a seed lobe.

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