Abstract: There are two kinds of glangular hairs in Salvia farinacea Beath:Capitate trichomes and peltate trichomes. For examination under trans-electron microcope, the clear differences were found between capitate trichomes and peltate trichomes in their ultrastructure:the main organelle is endoplasmic reticulum in capitate trichomes while in peltate trichomes is plastid; Subcuticular space in peltate trichomes is larger than in capitate trichomes; The side wall of the stalk cell in peltate trichomes are completely cutinized, while not be found in capitate trichomes;There are more vacuoles in foot cells of capitate trichomes than that of peltate trichomes.

Key words: Salvia farinacea Benth, capitate trichomes, peltate trichomes, ultrastructure