A. Corky layer. B. Parenchyma cells. C. Stone cells. D. Bast fibers. E. Oil-resin cells. F. Medullary rays, very inconspicuous.
This image is from Saigon cinnamon in Sayre's Manual of Organic Materia Medica and Pharmacognosy, 1917.

A. Corky layer. B. Parenchyma cells. C. Stone cells. D. Bast fibers. E. Oil-resin cells. F. Medullary rays, very inconspicuous.
This image is from Saigon cinnamon in Sayre's Manual of Organic Materia Medica and Pharmacognosy, 1917.