Sanguinaria canadensis, Fig. 1-3, 5, A-B.

A. Transverse section of rhizome, natural size. B. Ducts: 1, spiral, 2, dotted. 1. Rhizome, transverse section, magnified. 2. Rhizome, longitudinal section, magnified. 3. Rootlet, transverse section, magnified. 5. Starth granules, highly magnified.

This image is from Sanguinaria canadensis in the June issue of the AJP 1881.