MANY years ago my attention was drawn to the excito-contractility exhibited by the lipped stigma of Mimulus luteus, the structure of which I then gave an account of in the Proceedings of the Edinburgh Botanical Society. In connection with my recent investigation of the excitatory variation in Dionæa I have, during the last few weeks, in co-operation with Mr. Page, made experiments for the purpose of ascertaining whether in this organ, as in the leaf of Dionæa, the change of form provoked by mechanical stimulation is accompanied by a similar electrical disturbance.
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BURDON-SANDERSON, J. Note on the Electrical Disturbance Which Accompanies the Excitation of the Stigma of Mimulus Luteus . Nature 16, 163–164 (1877) doi:10.1038/016163e0