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Acotyledonous :: Acotyledonous (a.) Having no seed lobes, as the dodder; also applied to plants which have no true seeds, as ferns, mosses, etc..

Callyciflorous :: Callyciflorous (a.) Having the petals and stamens adnate to the calyx; -- applied to a subclass of dicotyledonous plants in the system of the French botanist Candolle.

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

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

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

Welwitschia :: Welwitschia (n.) An African plant (Welwitschia mirabilis) belonging to the order Gnetaceae. It consists of a short, woody, topshaped stem, and never more than two leaves, which are the cotyledons enormously developed, and at length split into diverging segments..

Monocotyledonous :: Monocotyledonous (a.) Having only one cotyledon, seed lobe, or seminal leaf..

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

Compositae :: Compositae (n. pl.) A large family of dicotyledonous plants, having their flowers arranged in dense heads of many small florets and their anthers united in a tube. The daisy, dandelion, and asters, are examples..

Incumbent :: Incumbent (a.) Leaning 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..

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

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..

Cotyledon :: Cotyledon (n.) One of the patches of villi found in some forms of placenta.

Notorhizal :: Notorhizal (a.) Having the radicle of the embryo lying against the back of one of the cotyledons; incumbent.

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..

Macrocephalous :: Macrocephalous (a.) Having the cotyledons of a dicotyledonous embryo confluent, and forming a large mass compared with the rest of the body..

Monocotyle :: Monocotyle (a.) Monocotyledonous.

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..

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