INDEX 



337 



Green light 133, 134 



Green tissues 146 



Grevillea 148 



Grey Poplar 63, 254 



Grooves 105, 146 



Grossularia 222 



Grouping of cells 69 



Grouping of stomata 100 



Growing points 73 



Growth 110-112, 114, 116, 134 



Guard-cells 97, 98, 101-104 



Guelder Hose 30, 63, 64, 177, 178 



Gummy substances 121 



Gymuosperms 113 



Habit 307, 308 



Hairiness 36 



Hairs 36, 37, 97, 105, 116, 143, 



145, 146 

 Hairy surfaces 32, 36, 43 

 Hakea 146, 147 

 Harsh surfaces 37 

 Hawthorn 13, 15, 21, 30, 45, 56, 



63, 210 

 Hazel 11, 13, 21, 25, 29, 30, 35, 



37, 52, 57, 89, 119, 236, 237 

 Heart-shaped leaf 18, 26, 234 

 Heath 20, 24, 101, 145, 305 

 Heather 7, 29, 30, 55 

 Hedera 216-218 

 H. helix 65, 119, 216-218 

 Heliantliemum 11 

 Heliotropic effects 108, 109 

 Heliotropism 110, 111 

 Hellebore 15 



Herbaceous texture 37, 123, 195 

 Heterophylly 138, 139 

 Hickory 19 

 Himalayan Pine 309 

 Hippophae 13, 20, 37, 118 

 H. rhamnoides 294, 295, 296 

 Hippuris 8 

 Hispid surface 37 

 Hoary surface 222, 288 

 Hollowed petiole 228 

 Hollows and stomata 100 

 Holly 6, 13, 20, 25, 36, 37, 52, 



58, 59, 99, 161, 203, 204, 250, 



282 

 Holme Oak 249 

 Honeysuckle 7, 13, 17, 20, 25, 26, 



28, 52, 58, 59, 83, 89, 105, 199 



W. II. 



Hornbeam 13, 20, 21, 25, 29, 30, 



34, 51, 52, 53, 57, 89, 99, 118, 



121, 139, 141, 238, 239 

 Horse-chestnut 7, 13, 15, 16, 17, 



19, 20, 25, 29, 42, 43, 45, 57, 



89, 118, 139, 157 

 Hydrocharis 99 

 Hydrogen 85, 95 

 Hypericum 17, 21 



Ib:r Aquifolium 203, 204 



Illumination 147 



Imbricated leaves 305 



Immersed venation 35 



Impari-pinnate leaf 44, 151, 158 



Impatiens 112 



Incision of leaf 15, 38, 40 



Inconspicuous veins 46 



Increase of weight 136 



Indigo 133 



Infra-marginal vein 32, 34, 46, 52, 



57 

 Initial cell 102 

 Injection of water 99 

 Inrolled leaves 105 

 Insect traps 109, 117 

 Insectivorous plants 117 

 Insertions of leaves 3, 5, 6, 7, 19 

 Intense cooling 142 

 Intense insolation 146 

 Intense light 148 

 Intensity of light 128, 136, 142 

 Intensity of respiration 127 

 Intensity of transpiration 123 

 Intercellular spaces 67, 70, 71, 



86, 87, 88, 89-96, 97-102, 122, 



124, 134, 142 

 Interchanges of gas and vapour 



90-96 

 Intercostal vein 196 

 Internal causes 112, 114, 115 

 Internal stimuli 104, 139 

 Internodes 3, 4, 8, 118, 120 

 Interpetiolar stipules 153 

 Interposition of organs 8 

 Intestinal fluid 71 

 Invisible veins 46 

 Involute leaf 274 

 Iridece 99 

 Iris 148 

 Iron 131 

 Irregular tertiaries 62 



22 



