Fig. 1. Mesophyll cells from leaves of Montpellier rock-rose: (A) control leaves, (B) plants treated only with surfactant, (C) plants treated only with sea aerosol, and (d) plants treated with sea aerosol plus surfactant. Scale bar = 5 µm; V, vacuole; Cl, chloroplast; S, starch grain; IS, intercellular space. The arrows indicate vacuolar content.