3^4 



Index 



Rivers, 43. 44, 46, 53 



Rooks, 262, 330 



Romans, 348 9 



Roots, 35. 52, 55, 58, 80, 124 



,, acid in, 35, 136 



,, hairs of, 131 



„ length of, 131 



,, efTect of sun on, 187 



„ worm-burrows and, 135 

 Rose, garden, 346 



,, -trees and snow-drifts, 57 

 Rushes, 55 



Russia, 61, 62, 134, 144, 146 

 Rust, 19 



Saffron, 351 

 Sahara, 119 

 Salt, 143 



,, -worts, 144 

 Salts, 137, 153 

 Sand-drifts, 51, 57 

 Santo Domingo, garden in, 13 

 Sap, 92, 107-9 

 Saracens, 349 

 Scarlet-runners, 13 

 Scents, 208, 223, 225, 237-9, 303 

 Sea-reed, 55 



,, -sedge, 55 



,, -water, 16, 140 



,, -weeds, 15 

 Sedge, bristles of, 268 

 Seed, destruction of, 286-7 



„ carried by animals, 265, 276, 355 



t» ,, birds, 260-72 



*» %% fish, 275 



„ „ locusts, 275 



ti ,, water, 256-9 



f> M wind, 51, 253 



„ eaten, 327 



,, feathered, 255 



„ hooked, 265 



,, in mud. 268 



,, nitrogen in, 160 



,, mystery of, 277 

 Seeds, hard coats ot, 272, 283, 293 



, , quantity of, 287 



,, self-burying, 289 



,, similarity of, 279 



„ size of, 281 



,, vitality of, 281 

 Seedlings, destruction of, 12, 284, 300, 



319 



Seed-vessels, exploding, 252 

 Smell, sense of, 241, 303-4 

 Snow drifts, 57 

 Soil, 10, 61-4 

 „ colour of, X85 



Soil, moisture in, 126 

 ,, warmth of, 185 

 Sparrows, 324-7, 331 

 Species cultivated, number of, 4 

 Squirrels, gray, 264 



,, ground, 64 



,, red, 263 



,, tree, 263 



,, seeds planted by, 264, 293 

 Stamens, 195 



,, and petals, 196 

 Starch, 166-7 

 Steam, 24 

 Stigma, 199 

 Strawberry, 218 

 Suez Canal, 120 

 Sugar-cane, 351 

 Sundew, 150 

 Sunflower, 103, 151, 344 

 Sunlight, 161, 177 

 Swallows, 317, 323 



Temperature, 177 



,, changes of, 26, 181 



M effect of evaporation 



on, 116, 183 

 »t effect of ocean on, 



184 

 «» of blossoms, 238 



„ of fruit, 113 



,, of plants, 113, 175 



of soil, 185 

 Thistles, 146, 297, 303, 331, 357-8 

 1 fi'^rns, 305-6 

 Ticks, 322 

 Titmouse, 321 

 Tobacco plants, 126 

 Tokay, 143 

 Transpiration, 93, 106 

 Trees, destruction of, 56, 115, 118 

 ,, effect of, on air and soil, 57, 

 103, 118-21, 338-9, 355 

 Tulip, 350 



Turkeys and hedges, 272 

 Turkestan, birds in, 324 

 Turks, 350 



Vallisneria, 214 

 Vanilla, 298 

 Venus's fly-trap, 149 

 Vine, 143, 180, 187 

 Vineyards, 143, 159 

 Violet, 205, 206 



Warmth of blossoms, 238 



,, need of, 217 

 Wasps, 235-6. 335 



