Assimilators

in botany. (1) The assimilating apparatus of many liverworts in the form of short rows of chlorophyl-lose cells.

(2) Lamellar outgrowths of palisade tissue running along the leaf of certain mosses (for example, haircap moss).

(3) Cells located on the axial filament of the thallus of certain red algae (for example, Batrachospermum), which play a basic role in the process of biological assimilation.