Eriodictyon. Fig. 8.—Various forms of hairs from the leaf

magnified 250 diameters;
a, short multicellular glandular hair found upon upper surface of blade and also upon midrib;
b, an unusual form of hair observed upon the petiole;
c, one of the long woolly hairs which abound upon the lower surface of leaf, and which give to it its characteristic whitish appearance.

This image is from Eriodictyon Glutinosum in the November issue of the American Journal of Pharmacy, 1895.