Consciousness in Plants. 331 
resistance is overcome, there seems to be some diversity of 
opinion among physiologists and metaphysicians, but it is 
generally believed that some such mental state as a sensation 
or a desire, which may or may not stimulate a natural proc- 
ess as an intervening element in the circuit, is concerned in 
its subduement. That sense-perceptions are stimuli to the 
immediate appearance of structural changes or movements 
is shown by the production of color-changes in animals 
through changes in the condition of the organs of sight and 
mi) fo 
23 
TIP OF RADICLE OF SEEDLING MAPLE. 
Lower Cells Show Where Consciousness is Supposed to Reside. 
in the bending of the radicle of a seedling-plant a short 
distance above its tip in obedience to a communication from 
the tip of a sensation of hardness, caused by contact with a 
stone experienced in its downward progress in the ground. 
New conditions bring forth new acts in animals. No one 
can deny this statement, as instances of its truth are too fre- 
quent to believe otherwise. That such may be predicated of 
plants, which have not the ability, as a rule, to meet with 
new conditions by reason of their being affixed to the soil, 
