...which a milky fluid exudes; and in the tendrils of certain Vitaceam, Cucurbitacete, and Bignoniaceam, in which slight pressure causes a cellular outgrowth....of the actions performed unconsciously by the lower animals.t With plants an * For the evidence on this pp. 173, 174. head, see the ‘Movements and f...

...characters. MOVEMENT In his book on "The Power of Movement in Plants" (1880) 2 my father wrote that " it is impossible not to be struck with the resemblance between...of the actions performed unconsciously by the lower animals." In the previous year Sachs 3 had in like manner called attention to the essential resemblance...

...passages in the Power of Movement*. "It is impossible not to be struck with the resemblance between the.. .movements of plants and many of the actions performed unconsciously by the lower animals." And again, "It is hardly an exaggeration to say that the tip of the radicle.. .having the...

...whose leaves do not " sleep," assume this vertical position at night. Mr. Darwin observes: " It is impossible not to be struck with the resemblance between the foregoing movements of plants and the actions performed unconsciously by the lower animals. With plants an astonishingly small stimulus...

...is perhaps the most pointedly affirmed, the author's own words are to the following effect : ' It is impossible not to be struck with ' the resemblance between the foregoing movements of planta ' and many of the actions performed unconsciously by the lower ' animals.' But our own comment...

...identical in character. In accordance with these views Mr. Darwin points out the resemblance between the movements of plants and many of the actions performed unconsciously by the lower animals, the most striking illustration being in the kind of imperfect reflex action which is shown...

...excited by light and gravitation.'• There is an interesting hint in a few words near the end : "It is impossible not to be struck with the resemblance between...of the actions performed unconsciously by the lower animals. The habit of moving at certain periods is inherited both by plants and animals ; and several...