-19- 



Vi-burnum 109, 111, 197* 



Vicia 85, 92, 128, 149ff,, 163, 



Viola 17, 177, 



Viscum 168,s 



Vitaceae, Tendency to the formation of tyloses 96» 



Vitis 36, 74, 85, 94ff,, 147, 178ff, 



Water Plants. 49. 



Waved Growth 159ff., 



Waved Wood 159ff., 



Wax Coating, Regeneration of the 8, 



Weakening, due to Cultivation 164, 



Weeping Trees 52, 129* 



Weigelia 74a 



Wind, Influence, Hypoplasia 20, Hyperplasia 130,« 



Window Galls on the iVa,ple, lllff. 



Witches Brooms 182, 187,, . 



Wood, Hypoplasia: Reduction of the cell numter 20, 



Reduction of the cell size 24, Arrestment of 

 wood formation 21, Alanormal wood 156, In kata- 

 piasmas 182, 188, 190, Of. Wound Yifood* 

 Wood Parenchyma, In wound wood.l59ff«. In gall wood 182ff»-, 

 PartiSipation in callus formation 146, Cf, 

 Tyloses. 



Wood Roses 177., 



Wooly Streaks in Apples 142, 149, 



Woronina 115. 



Wound Bark 161. 



Wound Cork I67ff.,, In Galls 168, 206. 



Wound Gums , In tyloses 95, In callus 149ff» 



Wound healing, Cf« Callus Tissue, Wound Wood, Wound Cork, 

 also Restitution, Wound Healing by a cytoplas- 

 matic stOj^iJer in Valonia,* Bryopsis and the latex 

 tubes 10, 11, Cf4 "Physiological" Wounds., 



Wound Stimulus, Analysis of the 231. 



Wound Wood 156, Histology 157, Primary, Secondary 158. 



Wound Wodd Zone, Short Celled, 158, Long Celled 158., 



Xanthozylon 97.* 



Xylaria 141. 



Yeast, Involution forms 117.* 



Yellow Spotting 80, 82.4 



Zamia 99, 170* 



Zea 16, 33, 56. 



Zoocecidia, Cf. galls. 



Zygnema 9ff.« 



