268 



INDEX 



Pseudotsupa Dou()lasii 139, 140 

 Puberuleuce 126 

 Pubescence 124, 126 

 Pulvinar spines 128, 129, 197 

 Pulvinus 128 

 Pungent leaf 141 

 Punka 37 

 Purple Osier 253 

 Purple twigs 112 

 Purple Willow 251, 252 

 Pyramidal Poplar 221 

 Pyrus 96, 118, 246, 247 

 P. Aria 111, 126, 224, 236, 237, 

 238, 246 



P. Aucuparia 225, 226, 227 

 P. communis 196, 239, 240 

 P. Mains 229, 230 

 P. Sorbus IDS, 111, 112, 223 

 P. torminalis 109, 111, 112, 235, 

 236, 246 



Quercm Ccrris 110, 112, 118, 126, 



216, 218 

 Q. coccinea 110, 112, 218 

 Q. Hex 148 

 Q. ilicifoUa 26 

 Q. pedunculaia 217 

 Q. pubescens 126, 218 

 Q. liobur 47, 216, 217 

 Q. rubra 111, 218 

 Q. sessiliflora 218 

 Q. Suber 149 

 Quick-growing shoots 72 



Radicle 5, 6 



Rapidity of growth 71 



Raspberry 125, 202, 203 



Recurrent growth 75 



Red-berried Elder 159 



Red Currant 33, 53, 55, 63, 108, 



117, 119, 122, 209 

 Red Maple 26 

 Red Oak 117 

 Red twigs 110 

 Reduced leaves 18, 49, 51 

 Relations of leaf to shoot-axis 100 

 Replacement of epidermis 94 

 Resinous excretions 15, 56, 57, 81, 



84, 91, 125 

 Revolute leaf 58, 61 

 PJiamnus 46, 80, 95, 96, 193 



R. catharticus 31, 46, 59, 63, 111, 



112, 128, 159, 160 

 R. Frangula 27, 51, 111, 112, 126, 



215 

 Rhododendron 51, 54, 55, 56, 59, 



61, 223 

 R. ponticum 149 

 Rhus 118, 123 

 R. typhina 25, 50, 111, 117, 119, 



122, 126, 211 

 Rihes 96, 99, 108, 125 

 R. alpinum 209 

 R. Grossularia 197, 198 

 R. nigrum 109, 207, 208, 209 

 R. rubriim 209 

 Ricinus 93 



Ring-shaped leaf-scars 117 

 Robinia 29, 33, 35, 39, 96, 99, 



108, 110, 112, 122, 128, 197, 



198 

 R. pseudacacia 25, 197, 198 

 Root-climbers 129, 146 

 Root-system 3, 4 

 Rosa 125, 202 

 R. arrensis 202 

 R. canina 201, 202, 204 

 R. rubiginosa 202 

 R. spinosissima 204 

 R. villosa 204 

 Rose 18, 33, 52, 53, 55, 59, 60, 92, 



96, 110, 111, 112, 117, 118, 119, 



127 

 Rose Bay 149 

 Rough bark 96, 99 

 Rowan 53, 55, 108, 109, 110, 111, 



114, 117, 119, 121, 122, 126, 225, 



226, 227, 246 

 Rulnis 37, 92 



R. fructicosus 145, 202, 203 

 R. 'idceus 202, 203 

 R. odoratus 97 

 Rugose surface 127 

 Ruscus aculeatus 150 

 Rusty hairs 126 



Salix 37 



,S'. alba 87, 109, 111, 249, 252, 253 



S. aurita 108, 111, 256, 258 



S. Gaprea 255, 256, 257, 258 



.S'. cinerea 256, 257, 258 



.S'. daphnoides 83, 112, 124, 248 



S. decipiens 249 



