Fig. 7.

Leaf cross-sections of R. rubiginosa after 12 days of treatment with NaCl and CaCl₂ solutions at various concentrations (0, 25, 50, 100, 150, 200 mM). EC — epidermis cell, PPCs — palisade parenchyma cells, SPCs — spongy mesophyll cells, BSC — bundle sheath cell, IS — intercellular space