Oblanceolate (Fig. [121]) when of the lance-shaped form, only more tapering toward the base than in the opposite direction.
Spatulate (Fig. [122]) when more rounded above, but tapering thence to a narrow base, like an old-fashioned spatula.
Obovate (Fig. [123]) or inversely ovate, that is, ovate with the narrower end down.
Cuneate or Cuneiform, that is, Wedge-shaped (Fig. [124]), broad above and tapering by nearly straight lines to an acute angle at the base.
Fig. 125, sagittate; 126, auriculate; and 127, halberd-shaped or hastate leaves.
[136.] As to the Base, its shape characterizes several forms, such as
Cordate or Heart-shaped (Fig. [120], [129]), when a leaf of an ovate form, or something like it, has the outline of its rounded base turned in (forming a notch or sinus) where the stalk is attached.