Fig. 098. Sassafras - Cross-section of bark.
(27 diam.) A. Cork. B. Parenchyma of primary cortex. C. Medullary rays. (Photomicrograph.)
This image is from Sassafras in Sayre's Manual of Organic Materia Medica and Pharmacognosy, 1917.
Practical Herb Cards 2
Distance course
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