A hydrangea used for an experiment.

Hydrangea

A hydrangea used for an experiment.

"1. Hydrangeaa virens and its flower. 2. seed-vessel of H. hortensis; 3. its seed; 4. a section of it." -Lindley, 1853

Hydrangea

"1. Hydrangeaa virens and its flower. 2. seed-vessel of H. hortensis; 3. its seed; 4. a section of it."…