of the trimmed branches of Althaea. a. Bark. b. Medullary ray. c. Parenchyma. d. Wood-bundle. Magnified 18 diam.
This image is from Marshmallow in Sayre's Manual of Organic Materia Medica and Pharmacognosy, 1917.

of the trimmed branches of Althaea. a. Bark. b. Medullary ray. c. Parenchyma. d. Wood-bundle. Magnified 18 diam.
This image is from Marshmallow in Sayre's Manual of Organic Materia Medica and Pharmacognosy, 1917.