Disepalous, of two sepals.

Disk, the face of any flat body; the central part of a head of flowers, like the Sunflower, or Coreopsis, as opposed to the ray or margin; a fleshy expansion of the receptacle of a flower, [113].

Disk-flowers, those of the disk in Compositæ.

Dissected, cut deeply into many lobes or divisions.

Dissepiments, the partitions of a compound ovary or a fruit, [108].

Dissilient, bursting in pieces.

Distichous, two-ranked.

Distinct, uncombined with each other, [95].

Dithecous, of two thecæ or anther-cells.

Divaricate, straddling; very widely divergent.