LEAVES. 



65 



PLATE XXVI. 



FIG. 36. Powdered Foxglove [Leaves (x 240) 



CO, Collenchymatous cells of the midrib. 



ei, Lower epidermis, cells with sinuous walls. 



en, Neural epidermis. 



es, Upper epidermis. 



ip, Scar of fallen hair. 



I, Bast. 



me, Spongy parenchyma. 



pa, p'a', Palisade cells. 



pg, Glandular hairs. 



pt, Simple hairs. 



st, Stomata. 



tf , Cortical tissue of midrib. 



tr, v, Vessels, &c. 



