LIFE MOVEMENTS IN PLANTS 



FIGURE. 



115. Immediate and afier-effect of stimulus of light on 



growth ........ 



116. Latent period for photic stimulation 



117. Effect of a single electric spark on growth . 



118. Responses of Mimosa leaf to light from above . 



119. Responses of Mimo»a leaf to light from below 



120. Record of effect of contiimous application of light 



on upper half of pulvinus of Mimosa . 



121. Positive and negative phototropic response 



Oryza ........ 



122. Leaf of Desinodium gyratis ..... 



123. The Oscillating Recorder 



124. Tropic effect of increasing intensity of light ou the 



leaflet of Desmodium gyrans .... 

 126. Tropic effect of increasing intensity of light on 

 growing organ (Crinum) ..... 



126. The Collimator 



127. Effect of angle of inclination of light on tropi 



curvature of pulvinated organ 



128. Effect of angle of inclination on growth-curvature 



129. Effect of increasing duration of exposure to light 



130. Effect of continuous electric and photic stimulation 



on rate of growth ..... 



131. Characteristic curve of iron .... 



132. Simple characteristic curve of phototropic reaction 



133. Complete phototropic curve of pulvinated organ 



134. Complete phototropic curve of growing organ 



135. Arrangement for local application of light 



136. Response of seedling of Setaria to light . 



137. Effect of application of light to the growing hypo 



cotyl of Setaria ...... 



138. Response to direct and indirect photic stimulus 



139. Diagrammatic representation of the effects of direct 



and indirect stimulation of Setaria 



140. Photonastic curvature of creeping stem of Mimosa 



pudica ........ 



141. Positive phototropic response of Erythrina indica 



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