Fig. 201. Gelsemium
- Cross-section of root. (19 diam.). A, Cork. B, Phloem. C, Xylem. D, Medullary ray. (Photomicrograph).
This image is from Gelsemium in Sayre's Manual of Organic Materia Medica and Pharmacognosy, 1917.
Practical Herb Cards 2
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