268 



INDEX 



Pseudotsuga Douglasii 139, 140 



Puberulence 126 



Pubescence 124, 126 



Pulvinar spines 128, 129, 197 



Pulvinus 128 



Pungent leaf 141 



Punica 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 108, 111, 112, 223 

 P. torminalis 109, 111, 112, 235, 



236, 246 



Quercus Cerris 110, 112, 118, 126, 



216, 218 



Q. coccinea 110, 112, 218 

 Q. Ilex 148 

 Q. ilicifolia 26 

 Q. pedunculata 217 

 Q. pubescens 126, 218 

 Q. Robur 47, 216, 217 

 Q. rubra 111, 218 

 Q. sessiliftora 218 

 Q. Suber 149 

 Quick-growing shoots 72 



Radicle 5, 6 



Eapidity 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 

 Ehamnus 46, 80, 95, 96, 193 



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



112, 128, 159, 160 

 R. Frangida 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 

 Ribes 96, 99, 108, 125 

 R. alpimim 209 

 R. Grossularia 197, 198 

 R. nigrum 109, 207, 208, 209 

 R. rubrum 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 

 jR. arvemis 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 

 Rubus 37, 92 



R. fructicosus 145, 202, 203 

 R. Idaus 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. Caprea 255, 256, 257, 258 



S. cinerea 256, 257, 258 



8. daphnoides 83, 112, 124, 248 



S. decipiens 249 



