INDEX 



343 



Pungent apex 30, 191, 192, 296, 



305, 315 

 Purple Osier 248 

 Purple surface 37 

 Purple violet twigs 277 

 Purple Willow 178, 179 

 Pyrus 13, 89 

 P. Aria 21, 37, 44, 45, 175, 210, 



252 

 P. Aucuparia 173, 174 

 P. communis 274, 275 

 P. Malus 250, 251 

 P. Sorbus 45, 174 

 P. torminalis 15, 21, 45, 141, 205- 



207, 223 



Quadrangular leaf 316 

 Quadrangular shoot 192 

 Quantity of carbon-dioxide 128, 



136 

 Quaternaries 259 

 Querent Gerris 25, 52, 211, 212 

 Q. coccinea 51, 215 

 Q. Ilex 249, 282 

 Q. pedunculata 214 

 Q. pubescens 210, 215 

 Q. Robur 53, 210, 213, 214 

 Q. rubra 215 

 Q. sessiliflora 214 

 Q. Suber 250 

 Quince 19 

 Quinque-foliolate leaf 43, 44 



Rachis 16, 38, 40, 41, 43, 151, 



171 

 Eadial structure 146, 147 

 Radiation 142 

 Radical leaves 4 

 Radish 6 

 Eain -drops 104 

 Banks of leaves 5 

 Banunculaceae 19 

 Ranunculus aquatilis 139 

 R. Ficaria 99 

 Raphides 227 



Rapidity of transpiration 122 

 Raspberry 17, 25, 26, 30, 45, 55, 



167, 168 

 Ratios of gases evolved 127 

 Ravenala 34 

 Rays absorbed 135 

 Bays of light 128, 133 



Bed Currant 21, 26, 45, 64, 37, 



221, 222 

 Bed light 92, 112, 133 

 Bed Oak 215 

 Bed surfaces 37 

 Bed Whortleberry 301 

 Bed-orange rays 125, 133, 134, 135 

 Seduction of transpiring surfaces 



146 

 Befrangible rays 110, 112 

 Eegular tertiaries 62 

 Eegulating action of epidermis 97, 



105 

 Eegulation by storaata 122 

 Beniform leaf 23 

 Beserve-materials 120, 130 

 Besinous plants 121, 193, 305, 



308, 313, 316 

 Respiration 90, 91, 96, 122, 126- 



128, 130, 131, 142 

 Respiratory cavity 100 

 Retardation of growth 110 

 Reticulate venation 32-35, 48, 54, 



59, 60, 151, 232, 250, 251, 255, 



265, 282, 288, 289, 291 

 Reticulate Willow 290 

 Reticulation 49, 50, 53, 54, 56, 58, 



290 

 Refuse apex 27, 28, 29 

 Revolute margin 191, 193, 195, 



299, 301, 302 

 Rhamnus 8, 13, 89, 278, 282 

 R. catharticus 21, 58, 189, 190 

 /,'. Frangula 21, 34, 291, 292 

 Rhinanthaceas 35 

 Rhododendron 13, 15, 20, 24, 56 

 R. ponticum 300 

 Ehomboid-cordate leaf 260 

 Ehubarb 20 

 Rhus 45 



Rhytisma 183, 186 

 Ribes 13, 89 

 R. Grossularia 219, 222 

 /;. nigrum 220, 221 

 R. rubrum 221, 222 

 Kilis 14, 32, 40, 46, 18, 79, 88, 159 

 Ridge of guard-cell 101 

 Rigid leaf 191, 307 

 Rigid shoot 300 

 Kobinia 13, 15, 17, 21, 25, 28, 29, 



44, 45, 54, 58, 59, 89, 112, 113, 



116, 118, 166 



