Fig. 121. Glycyrrhiza - Cross-section of root.
(13 diam.) A, Cork. B, Parenchyma of cortex. C, Medullary ray. D, Xylem. E, Medulla. F, Water tube. (Photomicrograph.)
This image is from Licorice in Sayre's Manual of Organic Materia Medica and Pharmacognosy, 1917.