xx
LIFE MOVEMENTS IN PLANTS
page.
Resumption of pulsatory activity of Desmodium leaflet at standstill—Renewal of growth under stimulus—General laws of effects of Direct and Indirect stimulus • • • • • • • • • • • • • • • • • • • • • • • • • • • • |
227 |
The Oscillating Recorder—Record of pulsation of Desmodium gyrans—Effect of diffuse light in diminution of amplitude and reduction of diastolic limit of pulsation—Antagonistic action of warmth in reduction of systolic limit • • • • • • • • • • • • • • • • • • • • • • • • • • • • |
233 |
Contractile response of growing and non-growing organs—Time-relations of mechanical response of pulvinated and growing organs—Similar modification of response under condition of sub-tonicity—Opposite effects of Direct and Indirect stimulus—Exhibition of negative electric response under Direct, and positive electric response under Indirect stimulus—Similar modification of autonomous activity in Desmodium gyrans and in growing organs under parallel conditions—Similar excitatory effects of various stimuli on pulvinated and growing organs—Similar discriminative excitatory effects of various rays in excitation of motile and growing organs—Action of white light—Action of red and yellow lights—Action of blue light—Action of ultra-violet rays—Action of infra-red rays—Diverse modes of response to stimulus—Mechanical response—Electromotive response—Response of variation of electric resistance • • • • • • • • • • • • • • • • • • • • • • • • • • • • |
239 |
