Fig. 251. Lappa.
—Cross-section of root. (10 diam.) A, Cork. B, Resin cell. C, Xylem. D, Cambium. (Photomicrograph.)
This image is from Lappa in Sayre's Manual of Organic Materia Medica and Pharmacognosy, 1917.
Practical Herb Cards 2
Distance course
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