LEAVER. 



87 



PLATE XXXVII. 



FIG. 47. Powdered Stramonium Leaves (x 240). 



cr, Crystals. 



cci, Crystal cells. 



ei, Lower epidermis. 



en, Neural epidermis. 



es, Upper epidermis. 



flV, D6bris of fibrovascular bundles. 



I, Bast. 



me, Spongy parenchyma. 



pa, p'a', Palisade tissue. 



pg, Glandular hairs. 



po, Pollen grains. 



pt, Simple hairs. 



tf , Cortical tissue of midrib. 



tr v, Tracheids and vessels. 



