-11- 



Laurapeae, Tendency to the formation of t^'loses 93. 



Laurus 94ff., 



Lavatera 81, 



Leaf Curling (Galls) 179.. 191, 



Leaf Pleas, Cf, Psyllodes. 



Leaf Lice,. Cf . Aphids* 



Leguminoseae , Cotyledons 147ff , 151, Tubercles 116, 



Lemna 9, 



Lenticels, Excrescences 72, In Galls 219, 



Lepidium 86 » 



Lepidoptera, Producing Kataplasmas 178, P^osoplasraas 190.« 



Leucobryum 40, 



Libriform Fibres, .Abnormal formation 134,.. Absence in 

 prosoplasxnatic galls 208, 



Lichen Gonidia 118. . 



Life Period,.. Prolongation of the 126ff., 133ff,, 



Light, Influence on cell wall restitution 14, On Chloro- 

 phyll formation 33,. On anthocjranin formation 

 56, On abnormal tissue formation 237.*.. 



Lignif ication, Suppression after infection by fungi 30, 

 Occurrence after infection with aphids. 62, 



Lignirjfcdies 217 » 



Ligust-r.um 74, 97,» 



Liquefaction Diseases 225«. 



Lohden 155, Lohden Wedges 155, 144,. 



Long Filaments , Long rods of Bao.teriiim Pasteurianum 68. 



Lonicera 16. 



Loranthaceae 183, Producing galls (wood roses) Cf, also 

 Phoradendron. 



Loranthus 97, 



Loxopterygium 95, 



Luff a 151.- 



Lunularia 15 ». 



LycopodiiAxn 99, 



Lye opus 86 » 



Lysimachia 16, 



Ly thrum 80, 



Lliacleya 8» 



lifiaclura 95ff, 



Macronucleus 26, 



Malignity 202 « 



Mai ope 81 « 



Mansoa 97 • 



Maranta 97, 



ICarchantiaceae, New formation of rhj,^ci(;i^ 14, Arrestment 

 of tissue differentiation 39^ 40»' Eegeneration 

 of the thallus 256, -, - 



Marchantia 14, 



Marsdenia 74, 



Mars ilia- 42. 



Maxillaria 59. 



Meclianical Pressure and Strain, Effect Of 46| 126, 129, 

 135, 145, 162ff., 235. 



Mechanical Ring, Splitting of the 154. 



MeclT^unical Tissue, Hypoplasia 46, Activity hypoplasia 



129ff., Reduction in kataplasmas 182, Develop- 

 ment in prosoplasmas (mechanical mantel) 208ff • 



MedJcago 153. 



Medullary Rays, Participation in the production of callus 

 144., In wound wood 162, Abnormal breadth 163, 

 235, The same in gall wood 183. 

 Medullary Spots 147, 



