Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 658
rwalls become evident. When the tissue becomes more solid, thesides of the vesicles arepressed against each ^ j, other, so as to flattenthem and to bring theminto close apposition,and then the cavitiesof adjacent cells areseparated by a single par-tition wall. Frequentlyit happens that the… … young shoots of elder, Fig. 466.—Section of leaf of Agave, treated withdilute nitric acid, showing the protoplasmic con-tents contracted in the interior of the cells: a,epidermal cells; b, guard-cells of the stomate ;c, cells of parenchyrne ; d, their protoplasmic-contents. lilac, or other…
Microscopy
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