Prunus 2. Fig. 2.—Longitudinal-tangential section of inner bark of Prunus demissa.

Fig. 2, longitudinal section of the same, made in a tangential direction well toward the outer layer of the bast;
a, bast fibres;
d, medullary ray near its outer extremity;
c, fissure, with loosely arranged and much contorted bast fibres.
Magnification, 100 diameters.

This image is from Some Further Observations on Cherry Barks. in the December issue of the American Journal of Pharmacy, 1895.