452 



INDEX 



Lycopodium, 314, '316 (fig.) ; 

 Lyginopteris, 328 ; Mosses, 274 

 (fig.), 275 ; Selaginella, 317 



(fig-)- 



Stem-structure of, aquatics, 88, 

 170-74 (figs.) ; Aristolochia, 

 1 20 ; Ash (Fraxinus), 122 ; 

 Bamboo (Bambusa), 88 ; Bar- 

 berry (Berberis), 137, 139 (fig.) ; 

 Beech (Fagus), 121, 122, 140; 

 Birch (Betula), 122, 137, 139, 

 141 ; Black Bryony (Tamus), 

 86, 87 (fig.) ; Box (Buxus), 

 86, 127 ; Bracken (Pteris), 

 292-5 ( figs.) ; Broom (Cytisus), 

 88, 167 ; Butcher's Broom 

 (Ruscus), 159 (fig.) ; Buttercup 

 (Ranunculus), 86, 87 ; Cactus, 

 167 ; Campion (Lychnis), 88 ; 

 Castor Oil Plant (Ricinus), 118 

 (fig.) ; Chenopodiaceae, 133 ; 

 Cherry (Prunus), 141 ; Coni- 

 fers, 338-41 (figs.) ; Cucurbi- 

 taceae, 81 ; Currant (Ribes), 

 137, 138 (fig.) ; Cycads, 323 ; 

 Dicotyledons, 76-84 (figs.), 86, 

 117 et seq. (figs.) ; Dodder 

 (Cuscuta), 178 (fig.), 179 ; 

 Draccena, 133 (fig.), 134 ; Elder 

 (Sambucus), 136 (fig.), 14 

 (fig.), 151 ; Elm (Ulmus), 120, 



126, 139, 141 ; Equisetum, 

 311 (fig.) ; Ferns, 292-5 

 (figs.) ; Gleichenia, 294 ; Gorse 

 (Ulex), 167 ; Grasses (Grami- 

 neae), 80, 88 ; Grasswrack 

 (Zoster a), 172 ; Holly (Ilex), 

 127 ; Hornwort (Ceratophyl- 

 lum), 170, 171 (fig.) ; Horse 

 Chestnut (JEsculus), 120, 121 

 (fig.), 123 (fig.), 127 ; Labiatae, 

 80; Laburnum (Cytisus), 137; 

 lianes, 134 ; Lime (Tilia), 120, 



127, 130 ; Lycopodium, 315 ; 

 Lyginopteris, 328-30 (fig.) ; 

 Maize (Zed), 84-6 (figs.) ; 

 Male Fern (Nephrodium), 294 

 (fig.), 295; Mallow (Malva), 130 ; 

 Maple (A cer), 135, 141 ; Mare's 

 Tail (Hippuris), 172, 173 (fig.) ; 

 Marrow (Cucurbita), 80-83 

 (figs.), 87, 126, 127 (fig.), 130; 

 Meadow Rue (Thalictrum), 86 ; 

 Monocotyledons, 84-6 (figs.), 

 87 ; Oak (Quercus), 122, 128 

 (fig.), 140, 141 ; Plane (Pla- 

 tanus), 141 ; Pondweed (Pota- 

 mogeton), 172, 174 (fig.) ; Pop- 



lar (Populus), 141 ; Rosaceae, 

 137; Scotch Fir (Pirtus), 141, 

 338-41 (figs.) ; Sedge (Carex), 

 88 ; Selaginella, 317, 318 ; 

 She-Oak (Casuarina) 162 

 (fig.) ; Silver Goosefoot (Obione), 

 133 ; Spinach (Spinacia), 86 ; 

 Spindle Tree (Euonymus), 

 I 39 ', Spurge (Euphorbia], 153, 

 154 (fig.) ; Solanaceae, 81 ; 

 succulents, 167 ; Sunflower 

 (Helianthus), 76-80 (figs.), 87; 

 Sweet Flag (Acorus), 85 (fig.) ; 

 Sycamore (Acer), . 121, 128 

 (fig.) ; Tree Ferns, 294 ; Um- 

 belliferae, 80, 88 ; Water Drop- 

 wort (Oenanthe), 86; Water 

 Milfoil (Myriophyllum) , 171 ; 

 Water Starwort (Callitriche) , 

 175, 176 (fig.) ; Whortleberry 

 (Vaccinium), 167, 168 (fig.) ; 

 Willow (Salix), 121, 124, 126, 



137, *39. 

 Stentor, 3. 



Stereum purpureum, 250, 252. 

 Sterilisation, 264. 

 Stigma (eye-spot), 181, 193. See 



also Eye-spot. 

 Stigma (of Angiosperms), 64, 356, 



364, 365, 373- 



Stimulants, 48, 61. 



Stimulus of environment, 380 ; 

 of sexual fusion, 222, 223, 370, 

 3.89, 390. 



Stinging Nettle (Urtica), hairs of, 

 104, 105 (fig.) ; leaf-structure 

 of, 38 (fig.), 39; root of, 132. 



Stinkhorn (Phallus), 407. 



Stipules, nectaries on, 148 ; on 

 stamens, 359 (fig.) ; vascular 

 supply of, 90, 114. 



Stock (Matthiola), 104. 



Stomata, .94 (fig.), 96-101 (figs.), 

 107, no, 298 (fig.) ; artificial, 

 99 ; development of, 98 ; in- 

 fluence of external conditions 

 on, 99, 100 ; mechanism of, 

 98-100 (fig.) ; plugging of, 

 161 ; raised, 96, 160 (fig.), 161, 

 162, 170 ; sunken, 96, 158, 160 

 (fig.), 165, 170. 



Stomata of, Brooklime (Veronica), 

 1 60 (fig.) ; Butcher's Broom 

 (Ruscus), 159 (fig.) ; Conifers, 

 342 (fig.), 343, 344 (fig.) ; 

 floating leaves, 101, 174 ; Gorse 

 (Ulex), 1 60 (fig.) ; Gramineae 

 and Cyperaceae, 97 (fig.), 100, 



