Dipetaloua; having two petals.
Discoid flower, or head. A disk of compound flowers. without ray-florets.
Disspalous; having two sepals.
Disk. The surface of the leaf; also the face, or central part of a head of compound flowers.
Dissected; cut into segments, or lobea.
Disaepirnent. The partition between the cells of seed vessels.
Distant ; having a larger intervening apace than usual. Dietichoue ; two-rowed; bearing leaves, flowers, etc., in two opposite rows.
Distinct; separate; not connected with each other, nor with any contiguous organ.
Divaricate branches. Spreading so as to form more than a right angle with the stem above.
Divergent; spreading widely; making a right-angle, or nearly so, with the stem.
Diiided; separated, or cleft to the base, or to the midrib, if a leaf.
Dorsal; belonging to, or growing on, the back. Dorsaleuture. `the line or seam on the back of a carpel, or folded leaf, being at the place of the midrib ; the opposite of ventral suture; which see.
Dorsally compressed ; flatted on the back.
Dote. Minute tubercles, or specks.
Dotted; covered with dote, specks, or minute and slightly elevated points.
Downy ; clothed with soft fine hairs.
Drooping ; inclining downwards; more than nodding. Drupaceous; drupe-like; of a structure resembling a drupe, or what is usually called atone-fruit.
Drupe. A fleshy, succulent, or spongy pericarp, vvithont valves, containing a one or two seeded nut, or stone. Drupel. A little drupe; a constituent portion of a com pound berry, such as that of rubus.
E, or Ex; in composition, destitute of, not furnished with.
Ebracteate ; destitnte of bracts.
Enabracteotate ; destitute of bractlets Ecaudate ; destitute of a cauda, or tail.
E chin ate ; hedghog-like ; covered-with prickles.
Elatere. Minute, club-shaped filaments; which are coiled round the spores of certain cryptogamous plants, and by unrolling assist in dispersing those spores.
Elliptic, or elliptical': oval; longer than wide, with the two ends narrowing equally.
Elongated; exceeding thmaual or average length.
Elongating; becoming gradually and finally elongated. Ernarginate ; having a notch or emus at the end.
Embryo. The young plant in the rudimentary state, as it exists in the seed.
Emersed; raised out of water.
Endocarp. Thai" membranous or bony portion of the pericarp which lines the cavity or forma the cells for the seeds (ex. gr. the stone, or hard ahell, in a drupe).
End venous plants. Thom which have a single cotyl edon, and grow by central deposits of new matter, distending or pushing the older deposits outwards. Endogens. Inside growers; plants which increase by central or internal deposits of new matter.
Enneandrous ; having nine stamens.
Ensiform ; sword-shaped; two-edged and tapering from base to apex.
Entire; having a continuous even margin; without in cision, notch or tooth.
Enveulpe. An integument, or covering.
Ephemeral ; diurnal; enduring one day only. • .iccir ); the outer coating of the pericarp, or fruit. Epidermis; the outer skin or cuticle.
Enigwan; eitaated, or rising, above ground.
Epigynous; adnate to the ovary so that the upper portion ie apparently inserted on its summit, as sepals, petals, and more especially stamens; exemplified in Umbellif erce and Araliacem.
Epip-talous; inserted on the petals.
Equal; similar parts equal among themselves, as calyx segments, aepala, petals, stamens, etc.
Ep i p .yt•s; air plants having no immediate connection with the earth, but growing on the stem of other _plants.
Equitant leaves. When alteruate distichous leaves are refolded lengthwise and towards each other, the outer ones incleaing or embracing the inner.
Erect ovules, or seeds. When they arise from the bottom of the ovary, or base of the cell, and point upwards. Eroded, or emote; irregularly notched, as if gnawed by insects.
Esculent; eatable; fit or safe to be eaten.
Etiolation; the blanching of plants, or rendering them white by the exclusion of light; as practiced with cel ery, endive, etc.
Evanescent; disappearing; speedily vanishing. Even-pAnate leaf. With the leaflets all in pairs or with out a terminal odd one ; often termed abruptly-pinnate. Evers:reen; continuing green, and persisting all the year. Exalbuminous; destitute of albumen.