Scanning Electron Microscopy of Salvia officinalis (sage) leaf
                               Samples of leaves have been collected at the Conservatory and Botanical Garde at Geneva with collaboration of Dr Fred Stauffer, curator.

Adaxial face of a leaf illustrating the two kinds of trichomes: short glandular (white arrows) and long non - glandular
Abaxial face showing the high density of both kinds of trichomes : glandular (small arrows) and non - glandular. n: veins
Abaxialf face at higher magnification with the protruding main vein (n) covered with non - glandular trichomes. Outside the main vein the lamina is covered with glandular (pgl) and non - glandular trichomes (pt).Stomata (st) are observed