Table 04. Triosteum perfoliatum.

Fig. 1. Represents the upper portion of the plant of the natural size.
Fig. 2. A flower with the calix and bract.
Fig. 3. The corolla separated.
Fig. 4. The same opened, shewing the situation and insertion of the stamens and pistil.
Fig. 5. A ripe berry, with the crown formed by the persistent calix.

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