Fournier, on acids causing movements in stamens of Berberis, 196
2
Heckel, on state of stamens of Berberis after excitement, 43
3
Water does not act on the stamens of Berberis, but it does on the stigma of Mimulus.
4
Many organs, when touched, bend in one fixed direction, such as the stamens of Berberis, the lobes of Dionaea, etc.
5
Whereupon, sadly perplexed, all the Berberis went to their priest, and dolefully related the circumstance, expecting absolution, as the offence was involuntary.