Fig. 087. Caulophyllum - Cross-section of rhizome.
A. Epidermis. B. Parenchymatous tissue. C. Phloem portion of bundle. D, F, Medullary rays. E. Xylem portion of bundle.
This image is from Blue Cohosh in Sayre's Manual of Organic Materia Medica and Pharmacognosy, 1917.
