Table 17. Prinos verticillatus.

Fig. 1. Is a delineation, of the natural size, of a portion of Prinos verticillatus in fruit, culled on the 14th of October. A week or two after this time, the leaves fall off, and the berries are left.
2. A little piece of a flowering branch, plucked in the middle of June, with the leaves out when they begin to widen.
3. A group of flowers, consisting of three, as is common, with the scale-like bracts at the union of the peduncles.
4. The pistil.
5. A back view of the calix.

This image is from W. Barton's Vegetable Materia Medica, 1817 (Vol. I), 1818 (Vol. II), Prinos.