772 PLANT RESPONSE 



Growth-response and excitatory response, 418 



,, similarities between pulvinar and, 437 



Haberlandt 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 : Xtai oi Artocarpus, 653 



,, ,, ,, ,, ,, ,, Mimosa, 631, 632 



,, ,, ,, ,, ,, leaflet of ^/i?//y///w, 634 



,, ,, „ ,, ,, ,, Oxalis, 633 



,, ,, ,, ,, ,, plagiotropicstem of C//tv/;-- 



f)ita, 626 

 ,, ,, ,, ,, ,, plagiotropic stem of 



Ipomcca, 625 

 ,, ,, ,, ,, ,, plagiotropic stem of 



Mimosa, 625 

 ,, ,, ,, radial organs : hypocotyl of J5V;?a//V, 609 



,, ,, ,, ,, ,, Lepidiitm, 60S 



,, ,, „ ,, ,, xoo\. oi Si napis,(iO\ 



,, ,, ,, ,, ,, shoot of Croats, 601 



,, ,, ,, ,, ,, tendril of F?V?V, 611 



,, neutral response: leaflet oi Desmodium, 604 



,, ,, ,, Lepiditim, 608 



,, ,, ,, Siiiapis, 609 



, , , , , , tendril of Passi flora, 6 1 1 



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



,, positive response of dorsi-ventral organs : Xtzioi Mangiferai^idica, 653 



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



639 

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



587, 628 

 ,1 }, ,, ,, ,, leaflet of ^;j/>^;-ma, 629 



,, ,, ,, ,, ,, leaflet of i?(?(^/«z'a, 629 



,, ,, ,, radial organs : Lepidiitm, 60^ 



,, ,, ,, ,, ,, Si/iapis, 593, 609 



5, ,, ,, ,, ,, iendril o[ Passijiora, 611 



,, ,, ,, „ ,, ,, J'ifis, 611 



,, Recorder, 588-591 



,, response, definition of positive and negative, 581 



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



,, ,, modifyingactionofanisotropy and conductivity on, 608, 613, 



628 

 ,, ,, multiple, 303, 584, 604, 634 



J, ,, ,, merging into continuous, 586 



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



,, ,, seasonal variation of, 602, 623 



,, ,, .torsional, 659, 661 



