N.A. Shelukhina, V.M. Baeva, T.A. Sokol`skaya

In this paper we report the results of microscopic examination of the herb Lycopus europaeus. Purpose - microscopic study of the Lycopus europaeus to identify the diagnostic features of a new type of raw material, herb of Lycopus. Microscopic studies were performed by the method of State Pharmacopaea. The study established typical herb Lycopus diagnostic features of the structure of the stem: the form of ribs, lamellar collenchyma, friable hlorenhyma; not expressed endoderm and the location perecyclic sclerenchyma. Hypostomatic structure leaf, the presence of gidatod on ripple of the leaf are simple one-celled hairs with rounded base and multicellular capitate hairs with 1-2 cell head and excretory glandules from 4-6 cells.