Fig. 13.—Starch from bark of Prunus Pennsylvanica magnified 1,200 diameters.
This image is from Structure of our Cherry Barks in the September issue of the American Journal of Pharmacy, 1895.

Fig. 13.—Starch from bark of Prunus Pennsylvanica magnified 1,200 diameters.
This image is from Structure of our Cherry Barks in the September issue of the American Journal of Pharmacy, 1895.