Carpenter, William Benjamin, 1813-1885 · Philadelphia : Blakiston · leaf 489
PIC STRUCTURE OF PHANEROGAMIC PLANTS. having forms that approximate more or less closely to the globularor ovoidal, which may be considered as their original type. 351. As a general rule, the rounded shape is preserved only whenthe cells are but loosely aggregated, as in the parenchymatous… … Section of Leaf of Agave, treated with dilute nitric acid,showing the primordial utricle contracted in the interior ofthe cells:—a, Epidermic cells; b, boundary-cells of the stoma;c, cells of parenchyma; rf, their primordial utricles. other, so as to flatten them and to bring them into close…
Microscopy · Biology
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