Handbook of practical botany for the botanical laboratory and private student (1908)
Strasburger, Eduard, 1844-1912, Hillhouse, William, 1850-1910 · London, S. Sonnenschein; New York, Macmillan · leaf 258
e body ofthe root and the root-cap (Fig. 87). Nevertheless the dermatogen,as such, does not pass over the apex, but it can rather be said thatthe dermatogen (<:/) and the periblem [b) of the apex come together ROOT APEX OF BARLEY. 221 in common initial cells, or histogens. In our figure only… … FlO. 87.—Median longitudinal section through the root-apex of Hordeiim vulgare.k, calyptrogen; c, thickened outer wall of tlie epidermis ; d, dermatogen ; pr, peri-blem ; pi, plerome ; en, endodermis ; i, intercellular passage filled with air ; a, rowof cells which will form the central duct ; r,…
Botany · Plant physiology · Microscopy
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