-9- 

 Gall Plastem 193ff., 254, 



Gall Broducers, Phytocecidiae (Mycocecideae) 176ff., 179ff,, 

 183, 185,, 188, 189, Zoocecidiae 178ff., 181,, 184, 

 187, 190 e 

 Gall Wood, 133ff., 212, 

 Gasterie. 176? 

 Geraniujn 109,« 

 Geirni, 109 



Giant cells. Multi-nuclear 118, 

 Gigantic growth 126s 

 Ginkgo 17, 75, 78, 167, 

 Glechoma 17, 173, 192, 

 Gleditschia, 74, 97., 

 Gnarls, Tuoerlike 165, 

 Gnarl Structure i59ff,, 

 Gnarl Tubers (Gnarl balls) 139, 165ff , Produced by Cynip- 



irtes 212, 

 Gomphonema 29, 

 Graft Hybrids 33, 47, 58, 

 Grain Growth in Wood,159ff., 

 Gramineae, Mite falls 105ff,, 

 GrouBd Tissue,. Hypoplasia 4Iff, Callus hypertrophy 89ffj 



Intumescences SOff , Tyloses' in secretion reservoirs 

 and breathing holes 99ff , Gall hypertrophy 110, 

 Participation in abnormal tissue formation 256, ,In 

 callus 145, In galls 180, 201, In correlation 

 heteroplasmas 138, Of, Mesophyll, Bark, Pith'. 

 Growth, Abnormal 63, Dimensional 66, Growth in ma,sse3 66, 

 Correlative growth 128, 207, Infiltration and 

 infection growth 203, .Abnormal growth of the epider- 

 mis in thickness and, surface. Cf. Cell Wall: further, 

 Hypertrophy, 

 Grumaria 104 » 

 Guard Cells, Abnormally large 70, Callue hypertrophy 90, 



On galls 219. 

 Gumming 225.« Cf , Wound Gian, 

 Gymnograms 9, 



Gymnosporangium 177, 183ff.» 



Hairs: Regeneration9-; Hypoplasia: Beducation of cell number 

 20, Decrease of the humber of hairs 43; Hairs of 

 galls 207; Abnormal hair? X90, Cf. Erineum J'orimtion; 

 Hair formation on peduncles of unfertilised blos- 

 soms 13&* 

 Halichond3?i9. 2§,« 

 Halij(n^<3.a 9« 

 Hamamelis 94» 

 Heart Wood., Tyloses 9^a 

 Hedera 74,, 82, 97, 133. 

 HBdychium,.97,. 

 Helianthus 7, 129, 138ff.« 

 Heliconia 97. 



Hemiptera! Producing It^taplasir^s 17§ff , 168, Pxosoplaamas 190, 



Cf* Aphidg* ' ' ' 

 Heterodera 119, 177* 

 Heteromorphosis 6^ 

 Heteroplasia 124,, 156* 

 Hibiscus 82, 150, 169* 

 Homoeoplasia 124ff.» 

 Hormidium 126., 



Hormomyia 131, 194ff , H* fagi ^j,, Fig, 58, 86, 105, li. pil* 

 igera, Fig, 87* 



