IV. GLOSSARY.
Aberrant. Deviating from the established rule or type.
Abnormal. Contrary to rule; deviating from the usual structure.
Abortion. Suppression or imperfect development of any part.
Abortive. Imperfectly developed, as in the case of stamens which do not bear anthers.
Abrupt. Terminating suddenly as if the end were cut or broken off.
Abruptly acuminate. Ending in a point arising from a broad extremity.
Abruptly pinnate. Applied to a pinnate leaf when it ends with a pair of leaflets.
Acaulescent. Stemless, or without a conspicuous stem.
Accrescent. Enlarging in size with age, as the calyx of some plants after the flowering period.
Accumbent. Lying against another body; applied to cotyledons when their edges are placed against or pointing towards the radicle.
Acerose. Needle-shaped; as the leaves of true pines.
Achene. a small hard and dry indehiscent 1-celled and 1-seeded fruit.
Achlamydeous. Having neither calyx nor corolla; destitute of perianth.
Acicular. Needle- or bristle-shaped; rather more slender than acerose.
Acinaciform. Scimitar-shaped.
Acotyledon. A plant destitute of cotyledons or seed-lobes; Cryptogams.
Aculeate. Furnished with prickles or sharp points, as the stem of a rose.
Acuminate. Tapering to a gradually diminishing point.
Acute. Sharply pointed but not drawn out; also applied to any organ having a sharp edge or margin.
Adherent. Union of dissimilar parts, as when the calyx-tube is joined to the ovary.
Adnate. Attached by the whole length; as when anthers have their lobes attached along their whole length to the filament, or when stipules adhere by their whole length to the petiole.
Adpressed. See Appressed.
Adventitious. Of accidental or abnormal occurrence, as when roots are produced from the stem or branches.
Æstivation. The manner in which the parts of a flower are arranged or folded while in bud.
Afoliate. Having no leaves.
Aggregated. Crowded together, but not actually coherent.
Alate. Winged, or having expansions like wings; as sometimes on a stem or petiole, or on the fruit or seeds.
Albumen. The nutritive matter stored within the seed and usually surrounding the embryo.
Albuminous. Applied to seeds containing albumen.
Alliaceous. Possessing the smell of garlic or onions.
Alpine. Applied to plants peculiar to high altitudes above the limits of forest growth.
Alternate. (1.) Applied to leaves when they follow one another at intervals on opposite sides of the stem; not opposite. (2.) Also used with respect to the different parts of the flower, as when stamens are alternate with petals—that is, intermediate to them, not opposite.
Alveolate. Marked Uke honey-comb; deeply and closely pitted.
Amorphous. Without regular or definite form; shapeless.
