Fig. 029. Sarsaparilla, Honduras.

- Cross-section of root. (28 diam.)
A. Epidermis.
B. Parenchyma of cortex.
C. Endodermis.
D. Wood parenchyma and fibers.
E. Medulla.
F. Water tube.
(Photomicrograph)

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