INDEX 



Pine seeds, 41 

 Pineapple, 251, 277 

 Pink snow, 72 

 Pistacio, 69 

 Pitcher plant, 344 

 Plantain, 219 

 Plantations, 154 

 Plover, 298 

 Poisons, 226 

 Polar regions, 197 

 Pollen, 70 

 Polluted rivers, 208 

 Pomades, 119 

 Pondweeds, 205 

 Poppy, 263, 302 

 Potato, 279 

 Prairie, 220 



Pressure inside plants, 25 

 Prickly pear, 243 

 Primula, 193 

 Protoplasm, 195 



Quinine, 33 



Rabbits, 50, 178, 182, 239 



Radium rays, 21 



Rafflesia, 337 



Railway plants, 174 



Rain of blood, 252 



Rainwater (absorbed), 298 



Raspberry, 92 



Rattan, 47 



Rat's-tail plantain, 93 



Reeds, 163, 204, 209 



Resin, 44, 45 



Restharrow, 189 



Retama, 137 



Rhubarb, 36 



Rimbach, 92 



Roadside plants, 214 



Robin-run-the- hedge, 313 



Rock plants, 166, 169, 175 



Rooks, 292 



Roots, 86, 88, 89, 90, 137, 157, 180 



Rose, 127, 182, 314 



Rowan, 369 



Rubber, 301, 310 



Rushes, 203 



Rye, 46, 272 



Safflower, 34 

 Sago palm, 58 

 Saltwort, 161 

 Salvia, 78 

 Sandbox tree, 266 



j Sap, 23, 24 

 Sarracenia, 342 

 SatcheU, 64 



Savages and plants, 27 

 Scale insect, 288 

 Scenery and plants, 166 

 Schimper, 99 

 Scotch fir, 54, 71, 86, 360 

 Screes, 172 

 Scrub, 107 

 Scythian lamb, 32 

 Scythians, 224 

 Seagrass, 162 

 Sea meadows, 162 

 Seaweeds, 163, 164, 171, 172 

 Season of flowers, 77 

 Sedges, 260 

 Selaginella, 56 



Selection (principle of), 248, 277 

 Semaphore plant, 196 

 Senecio, 174 

 Sensitive plant, 14, 194 

 Sequoia, 47, 58 

 Shale, 173 



Sheep-kiUing grasses, 267 

 Shelley, 79 

 Sherwood Forest, 53 

 Silvia Caledonica, 53 

 Silver fir, 58 

 Silurian times, 70 

 Smell (of flowers), 80 

 Smith, Dr., 54 

 Snow, 103 

 Soil, 82, 84 

 Solanaceae, 234 

 Soldanella, 103 

 Solomon's seal, 94 

 Southernwood, 371 

 Speedwell, 319 

 Sphagnum, 357 

 Spice trade, 34 

 Spikenard, 367 

 Spines, 179, 186, 188, 190 

 Sprengel, 69 

 Spring, 98, 101 

 Squiers, 198 

 Squirrel, 178, 257 

 Stapeha, 80 

 Starch, 18 

 Starwort, 319 

 Steppes, 223 

 Sticky fruits, 255, 258 

 Sticky hairs, 347 

 Stimulus (effect of a), 14 

 Stomata, 23 



379 



