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 229
de parenchyma. The struc-ture of the leaf in respect of both epidermis and internal tissueis, therefore, manifestly different upon upper and under side, anddifferentiated in such fashion that we may look upon it asdorsiventral, the upper side being considered the dorsal, theunder the ventral side.… … LEAF OF RUTA. 193 These cells are devoid of chlorophyll, swollen into a barrel shape,and appear as if suspended between the green cells. At theedges of the leaflets the outer sides of the epidermal cells arestrongly thickened. The palisade layer becomes single at theedges, and passes over on the…
Botany · Plant physiology · Microscopy
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