Fig. 204. Spigelia - Cross-section of rhizome.
(21 diam.) A, Parenchyma of cortex. B, Medulla. C, Xylem. (Photomicrograph.)
This image is from Spigelia in Sayre's Manual of Organic Materia Medica and Pharmacognosy, 1917.
(21 diam.) A, Parenchyma of cortex. B, Medulla. C, Xylem. (Photomicrograph.)
This image is from Spigelia in Sayre's Manual of Organic Materia Medica and Pharmacognosy, 1917.