| Peppermint (leaf) (Mentha piperita) L., Labiatae.Leaves with stomata above and below, few above; vertical walls thin, wavy. Large, long, rather thick-walled, three to seven celled simple trichromes with short linear to warty cuticular thickenings. Large bladdery glandular trichromes with six to eight secreting cells. Small secreting trichromes with a single terminal secreting cell. Besides this there is present stem tissue, as epidermis, collenchyma, parenchyma, tracheids and ducts.
Source: Schneider, A. (1921) The Microanalysis of Powdered Vegetable Drugs, 2nd ed. [1]
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