Carpenter, William Benjamin, 1813-1885 · London : John Churchill · leaf 432
of cells, more or less compactly aggre-gated together, and having forms which approximate more orless closely to the globidar or ovoidal, which may be consideredas their original type. 223. As a general rule, the rounded shape is preserved onlywhen the cells are but loosely aggregated, as in the… … Section of leaf of Agave, treated with dilute nitric acid, showingthe primordial utricle contracted in the interior of the ceUs:—a, epi-dermic cells; h, boundary-cells of the stoma; c, cells of parenchyma;d, then- primordial utricles. are pressed against each other, so as to flatten them and…
Microscopy
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