False colour scanning electron micrograph of the leaf surface of the herb thyme, Thymus vulgaris. The micrograph shows two types of trichomes (projections from the leaf surface); unbranched multicellular hairs, which cover most of the surface & glandular trichomes (spheres), the source of the aromatic oil which gives the herb its value in cooking. Magnification: X 24 at 35mm size. Original is bw print b745/195.