icroscopical structure of ipecac-uanha is so characteristic, although quitesimple, as to be a sure means of identifica-tion. There is first a single layer of tabularcells, empty, flattened rather thick walledand of a dark brown color. [Someauthors give several rows of these cellsand call them… … ♦Planchon, Determination des DrogTjes Simples vol. i, p. 498, says seven or eight rowsof cells form the outer cork. THE MICROSCOPE. destroyed. If so it is a little surprising that only one layer of cellsshould so uniformly remain.] The principal part of the root is composed of the bark consi.st-ing…
Microscopy
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