Fournier, on acids causing movements in stamens of Berberis, 196

Heckel, on state of stamens of Berberis after excitement, 43

Water does not act on the stamens of Berberis, but it does on the stigma of Mimulus.

Many organs, when touched, bend in one fixed direction, such as the stamens of Berberis, the lobes of Dionaea, etc.

Whereupon, sadly perplexed, all the Berberis went to their priest, and dolefully related the circumstance, expecting absolution, as the offence was involuntary.