It was impossible in a limited space, said Professor Bose, to do more
than mention the numerous other remarkable experiments which riveted the
attention of the audience. By means of apparatus specially devised,
pulsative plants were made to record their rhythmic throbbings. It was
shown that the pulse beats of the plants were affected by the action of
various drugs, and divers stimuli, in a manner similar to that of the
animal heart. Perhaps the most weird experience was to watch the
death-struggle of a plant under the action of poison. Turning from death
to its antithesis life and growth, the audience were shown how the
latter was made visible by means of the appliances invented by Professor
Bose. The infinitesimal growth of a plant became highly magnified in the
experiment.