Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 688
ork, the so-called spongy paren-chyme (fig. 500, d, d) with large interspaces, into which the stomatesopen. It is to this arrangement that the darker shade of greenalmost invariably presented by the upper surface of leaves is prin-cipally due, the colour of the component cells of the parenchymenot… … Fig. 504.—Vertical section of epiderm and ofportion of subjacent parenchyme of leaf ofIris germanica taken in a transverse direc-tion : a, a, cells of epiderm; b, b, cells at thesides of the stomates; c, c, guard-cells; d, d,openings of the stomates; e, e, cavities in theparenchyme into which the…
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