Veratrum. Fig. 1. Longitudinal section of fresh rhizome

Fig. 1.—Longitudinal section of fresh rhizome, about one-half natural size.
a, tunicated leaf-bases;
b, above-ground stem;
c, lateral bud;
d, cylinder sheath.

This image is from Structure of Veratrum viride in the April issue of the American Journal of Pharmacy, 1895.