772 PLANT RESPONSE 



Growth-response and excitatory response, 418 



,, similarities between pulvinar and, 437 



Hauerlandt on transmission of excitation in Mimosa, 251 



,, on statolithic theory, 494 



Heart -beat, theories of, 347 



Hedera helix, seasonal variation of heliotropic response in, 623 

 Ileliotropic excitation, transmission of, 604 



,, negative response of dorsi-ventral organs : leaf of Artocarpus, 653 



„ Mimosa, 631, 632 

 ,, ,, , 5 j, 5 > leaflet of Biophylum, 634 



,, ,, » Oxalis, 633 



,, ,, ,, ,, ,, plagiotropic stem of Cucur- 



bita, 626 

 ,, ,, ?? »» j » plagiotropic stem of 



Ipomcea, 625 

 ,, ,, ,, ?j ? 5 plagiotropic stem of 



Mimosa, 625 

 ,, ,, ,, radial organs : hypocotyl of Sinapis, 609 



,, ,, ,, ,, ,, Lepiditim, 608 



,, ,, ,, ,, ,, root of Sinapis, 601 



,, ,, ,, ,, ,, shoot of Crocus, 601 



,, ,, ,, ,, ,, tendril of Vitis, 611 



,, neutral response : leaflet of Desmodium, 604 



,, ,, ,, Lepiditim, 608 



Sinapis, 609 

 ,, ,, ,, tendril of Passiflora, 611 



,, perception, absence of, in lamina, 588, 650, 651 



,, positive response of dorsi-ventral organs : leaf of Mangifera indica, 653 



,, ,, ,, ,, ,, leaflet of Clitoria ternatea, 



639 

 ,, ,, ,, ,, ,, leaflet of Desmodium, 586 } 



587, 628 

 ,, ,, ,, ,, ,, leaflet of Erythrina, 629 



,, ,, ,, ,, ,, leaflet of Robinia, 629 



,, ,, ,, radial organs : Lepiditim, 608 



„ ,, ii ,, ,, Sinapis, 593, 609 



,, ,, ,, ,, ,, tendril of Passiflora, 611 



,, ,, ,; „ ,, ,, Vitis, 611 



,, Recorder, 588-591 



,, response, definition of positive and negative, 581 



,, ,, intensity of stimulus on, 608, 609 



,, ,, modifying action of anisotropy and conductivity on, 608, 613, 



628 

 ,, multiple, 303, 584, 604, 634 

 ,, ,, ,, merging into continuous, 586 



,, ,, positive, negative, and dia-, 609 



,, ,, seasonal variation of, 602, 623 



,, ,, torsional, 659, 661 



