Index 



36, 



Horse-chestnut, 350 

 Humming-birds, 234 

 Hungary, dust-storms, 50 



„ floods in, 46 



„ saltworts in, 144 



„ sparrows banished from, 

 326 



Ice-plant, ho 



Insects, numbers of, 9, 318, 319-22 

 Iodine, 140 

 Iron, 20, 169 



Italy, birds destroyed in, 316 

 ,, plants introduced into, 346 



Jamaica, 267, 271, 323 



Kalahari Desert, 112, 114, 128 

 Krakatoa, eruption of, 48 



Lake-dwellers, 345 



Landes, 57 



Larks, 317 



Lava, breaking up of, 31 



,, lichens on, 31 

 Leaf-green, 169, 172 

 ,, pores. 93-5, 171 

 Leaves, altered, 157, 196 



,, number of, 103 



,, office of, 169 



,, size of, 103 

 Lichens, 4, 6, 30, 340-41 

 Locusts, 275, 310-11, 324 

 Locust-tree, 293 

 Lupin, 147 



Mangroves, 54 



Manitoba, 61 



Manuring, 61, 145 



Maple, IC9, 294 



Melon, 12, 112, 113, 185, 197, 282, 



290, 348 

 Mesquite, iii 

 Mice, 333 



Mineral matter in plants, 17, 61, 140 

 Mississippi, 44 

 Mistletoe, 272-3 

 Mole, 66, 335 

 Mongoose, 323 

 Monkeys, 264 

 Moss, 32, 140 

 Moths, 231-2 

 Mud, river, 42, 46, 53 

 Mummy-wheat, 282 



Names, caution as to, 344 

 Nettle, 223, 247, 305, 348 



Nile, 42-44, 134 

 Nitrates, 151-6 

 Nitrogen, 148-52 



,, compounds of, 153, 158, 160 

 North, vegetation of, 188 

 Nubia, desert of, 121, 187 

 Nuthatch, 264 



Oak-forests, 262 



Ohio, crops in, 133 



Oleander, 224, 347 



Olives, 346 



Orange, 220, 308, 351 



Orchids, 228, 231, 283-5, 307 



Organic matter in soil, 61 



,, ,, required by plants, 148 



Ovary, 195 



,, development of, 213 

 Ovules, 195, 199, 206, 212-13, 248 

 Owls, 333 

 Oxalis, 222 

 Oxygen, 19 



Palms, 193, 210 



Pampas, 3, 4, 64, 146 



Para, vegetation at, 8 



Passion-flower, 204, 224, 307 



Peru, rainless zone of, 5 



Phoenicians, 347 



Pigs as planters, 276, 292, 355 



Pimento walks, 271 



Pines, 57, 95, 100, 209, 339 



Pistil, 195, 212, 255 



Pitcher-plants, 151, 235 



Plantain, 342 



Poisonous plants, 302 



Pollen grains, 197, 200 



,, poisonous, 204, 221 



,, tubes, 200, 205, 213 



,, masses, 231 

 Potato, 344, 355 



Prickly pear, 35, 36, in, 353, 358 

 Primrose, 142, 194, 222, 228 

 Protection against enemies, 240, 243, 

 300 

 ,, ,, evaporation, 95-100 



Rafflesia Arnoldi, 194 



Ramfall, 115-23 



Raspberry, fertilization of, 219 



,, seeds, 283 



Rats, 65, 291 

 Redstart, 320 

 Red snow, 7, 185 

 Rhone, 45 



Ripening of fruit, 179-81, 185 

 Riverina, 292 



