Kermesine, Carmine-red.

Kernel of the ovule and seed, [110].

Key, or Key-fruit, a Samara, [122].

Kidney-shaped, resembling the outline of a kidney, [53].

Labellum, the odd petal in the Orchis Family.

Labiate, same as bilabiate or two-lipped, [92].

Labiatiflorous, having flowers with bilabiate corolla.

Labium (plural, Labia), Latin for lip.

Lacerate, with margin appearing as if torn.

Laciniate, slashed; cut into deep narrow lobes or Laciniæ.