Fig. 094. Ceylon cinnamon - Cross-section of bark.

Fig. 94. Ceylon cinnamon - Cross-section of bark.

C. Stone cells. D. Parenchyma containing numerous bast fibers. E. Oil-resin cells. F, Medullary rays.

This image is from Ceylon cinnamon in Sayre's Manual of Organic Materia Medica and Pharmacognosy, 1917.