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Parts.—Sepals, the divisions of the calyx.

Tube, the united portion of a gamosepalous calyx.

Teeth or lobes, the distinct or divided portions of a gamosepalous calyx.

Throat, the orifice or summit of the tube.

Pappus, in Compositæ, the calyx border consisting of scales, teeth, bristles, or slender hairs.

Cohesion.—Gamosepalous or Monosepalous, sepals partially or wholly grown together.

Truncate, without lobes.

Toothed, lobes small.

Lobed, parted about one fourth.

Cleft, parted about one half.

Parted, separated nearly to the base.

Polysepalous, separated to the base.

Adnation.—Inferior, calyx free from ovary.

Half-inferior, calyx adherent to the ovary half-way.

Superior, calyx adherent to the ovary.

Form.—See under Corolla.

Æstivation.—See under Corolla.