772 PLANT RESPONSE 



Growth-response and excitatory response, 418 



,, similajities between pulvinar and, 437 



IlABERLANDT 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 



Heliotropic excitation, transmission of, 604 



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



,, ,, ,, ,, >> » Mimosa, 631, 632 



,, ,, ,, ,, >, leaflet of Biophytum, 634 



,, „ », Oxalis, 633 



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



bita, 626 

 ,, ,, >> >) >) plagiotropic stem of 



Ipoimva, 625 

 ,, ,, ,, j; >> plagiotropic stem of 



Mimosa, 625 

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



,, ,, ,, ,, v Lepidium, 608 



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



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



,, ,, ,, >j ,) tendril of Vitis, 611 



,, neutral response : leaflet of Desmodinm, 604 



,, ,, ,, Lepidium, 608 



,1 ,, >) Sinapis, 609 



,, ,, ,, tendril of Passiflora, 61 1 



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



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



,, ,, ,, ,, ,, leaflet of C/i/oria ternatea, 



639 

 ,, ,, ,, ,, ,, leaflet of Desmodinm, 586 } 



587, 628 

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



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



,, ,, ,, radial organs : Lepidium, 608 



,, ,, ,, ,, ,, Sinapis, 593, 609 



,, ,, ,, ,, ,, tendril of Passiflora, 61 1 



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 



