-10- 



Humulus 97, 



Hydathodes in Conocephalus 84. 



Hymenomycetes, Hypoplasia 40. 



Hymenoptera, Producing prosoplasjms 178, Of, ITematus and 

 Cynipides. 



Hyperhydric Tissue 72, Lenticels 73, Bark 77, Intu- 

 mescences 80, Abnormal Succulence 86, Abnormal 

 wood of dropsical branches 164, Hyperhydric 

 tissue in succulents, 176. 



Hypericxim 99« 



Hyperplasia 122, Cf. Homoeoplasia, Heteroplasia, Korre- 

 lation, Heteroplasmas, Callus, Wound Wood, 

 Wound Cork and Galls. 



Hyperplasia due to work, Cf . Activity hirperplasia. 



Hypertrophy 3, 63ff., Kataplastic 65, Prosoplastic 65, 

 Cf, Callus Hypertrophy and Gall Hypertrophy., 



Hypoderm, Arrestment of tissue differentiation 41, 183» 



Hyponasty 131. 



Hypoplasia 17, 188, Seduction of cell number 18, of 



cell size 22, Arrestment of cell and. tissue 

 differentiation 26, Cf. Korrelation hyperpla- 

 sia. 



Icterus, Cf. Chlorosis. 



lies 170. 



Impatiens 135. 



Inactivity hypoplasia 52, 



Inanition Phenomena 225 » 



Inner Gall 21G» 



Intumescences 80, Formation of Tifood cork 169. 



Inula 97s 



Involution Forms, In bacteria lie, 243, 24'7, In algae, 

 fungus spores, etc., 117. 



Ipombea 43, 82. 



Iresine 58. 



Iris 48* 



Iron, Influence on chlorophyll formation 33. 



Isolated cells, Beiiavior in nutrient solutions, etc., 90, 

 92, 



Jacquinia 206. 



Jasmlnum 74 • 



Jatropha 97. 



Juglandaceae, Tendency to form tyloses 96»- 



Juglar:e 74, 97, 120 < 202. 



Junipe^.us 177 , . 183f f . 



Juvenile Forms in Regeneration 6. 



Karyogamy 69. ^ 



Kataplasia 65. 



Kataplasmas 125ff., ISeff., 175ff. 



Kataplastic Hypertrophy 88, 118. 



Kerria 33. - 



Knarls, In wound wood 159ff., In gall wood 186, 213, 



Koelreuteria 97» 



Kohlrabi mounds 115. 



Lachnus juglandis 62, L. exsiccator 179, ia3ff, 



Lactuca 48 » 



Laelia 59* 



Laminaria 15, 140. 



Lamiujn 90, 135, 142. 



Latix 75, 99, 184. 



Lasioptera 196. 



Lataniu 97* 



Latex Tubes, New Formation of cell walls after injury 11, 

 In callus 150.. 



