In white and black mustard are characteristic mucilage and palisade cells.
In mix vomica, stropanthus, and St. Ignatius’s bean are characteristic hairs.
In physostigma and kola are characteristic starch grains.
In henbane, capsicum, stramonium, lobelia, and belladonna seeds are characteristic epidermal cells.
In areca nut, colchicum, saw palmetto, and nux vomica are characteristic thick-walled, reserve cellulose cells.
In cardamon seed are aggregate starch masses with irregular outlines.
In bitter and sweet almond, linseed, pepo, and stropanthus are aleurone grains.
In bitter and sweet almonds are stone cells.
In linseed, quince seed, and in white and black mustard are epidermal cells with mucilaginous walls and contents, etc.