Some stigmas, as those of Mimulus, present sensitive flattened laminae, which close when touched.
Mimulus, if sown now and treated as a greenhouse annual, will flower in the first year.
Water does not act on the stamens of Berberis, but it does on the stigma of Mimulus.
The Mimulus is quite hardy, and the most ordinary care will suffice for it.
Among these grows a thick bunch of mimulus or monkey-plant, well known in gardens, here flourishing alone beside the stream.