INDEX 



209 



Hodge and Wardrop, 89 



Hofmeister, 7 



Hooke, 3 



Hydrodictyon, 109, 111, 112 

 cell shape and wall structure, 187 

 growth and wall structure, 193 



Incrusting substances, 21, 31 



distribution, 84, 85 

 Index ellipsoid, 56 et seq. 



calculation of refractive indices from, 

 58 

 Intussusception, 7 

 Ivanov, see Galova and Ivanov 



Japanese larch, major extinction position 

 of tracheids, 159 



Kabsch, 7 

 Kelvin, 12 

 Kerr, 150, 205 



see Bailey and Kerr 



see Berkeley and Kerr 

 Kieser, 5, 12 

 Klebs, 1 

 Krabbe, 1 



Kramer and Lansing, 74 

 Kratky, see Frey- Wyssling and Kratky 

 Kiindu, 118 



Martens, 148 

 Meeiise, 169 



see van Iterson and Meeuse 

 Melocanna bambusoide, 118, 137, 139, 



165 

 Meredith, 169 

 Meyen, 5 

 Mever,^9, 81,90 



and Mark, 26, 44, 45, 46 

 Micelles, see Cellulose 

 Middlelamella, 7, 15 

 Middlebrook, 118, 189, 191 

 Mirbel, 5 

 Misra, 118 



Mohr, see Staudinger and Mohr 

 Moldenhawer, 5 

 Molecular weight of high polymers 



determination by chemical analysis, 80 



determination by osmotic pressure, 73, 

 74,75 

 ultracentrifuge, 76, 77, 78 

 viscosity, 78, 79, 80 



number average, 76 



of cellulose, 74 



weight average, 80 

 Monne, 198, 206 

 Moore, see Anderson and Moore 

 Miihlethaler and Frey-Wyssling, 196 



see Frey- Wyssling and Miihlethaler 

 Mulder, 6 



Lange, 115 



Lansing, see Kramer and Lansing 



Larix leptolepis, 118 



Leathes, 9 



Lewis, 13, 14, 203 



Lignin, 22, 27 



composition, 28 



distribution, 84 



physical properties, 29 



staining reactions, 30 

 Lumen, 17 

 Lycopodium, 187 



Maas Geesteranus, 184, 185 



Maceration, 116 



Machemer, see Bergmann and Machemer, 



see Howarth and Machemer 

 Major extinction position, definition, 59 



determination, 61, 62 



in tracheids, 116, 158 ef seq. 



in Valonia, 95 



variation along length of tracheids 

 161 

 Majumdar, 119 

 Malpighi, 3, 5 

 Mangin, 8 

 Mannan, 27, 85 

 Mark, see Meyer and Mark 



Nageli, 6, 7, 8 

 Neiihouzea Dulloa, 137 

 Newton's colour scale, 61, 62 



addition colours, 63, 65 



substraction colours, 63, 65 



viscosity law, 78, 79 

 Noll, 7 



Norman, 85, 204 

 Nothofagus, 133, 134, 135 



Oort and Roelofsen, 187, 189 



Paraffins, change in properties along 



series, 71 

 Parenchyma cells, 142 

 Path diiterence, 61 



definition, 61 



determination, 67 et seq. 



relation to phase difference, 69 



significance, 67 

 Pauli, 9 

 Payen, 6, 8 



Pectic substances, 7, 8, 25 

 Pectin, 22, 26 



staining reactions, 30 

 Petasites vulgaris collenchyma, 1 19, 146, 



147 

 Pfeffer, 7, 8, 9 



