LEA 



59 



PLATE XXIII. 



FIG. 33. Powdered Boldo Leaves (x 240). 



ei, Lower epidermis. 



en, Neural epidermis. 



ep, Epidermis of petiole. 



es, Upper epidermis. 



e's', Upper epidermis with scar of hair 



f, Lignified cells. 



go, Oil-cells. 



h, Hypoderma. 



m, Spongy parenchyma. 



p, Stellate hairs, entire or broken. 



p', Fragment of a one-celled hair. 



pa, p'a', Palisade cells. 



v, Vessels. 



