INDEX 



Absorption, 329 



Abysmal flora, 133 



Acacia, 177, 178, 196, 207, 307 



Acquired characters, 120, 206, 295 



Aeroplane fruits, 278 



Aftbrestation, 77-78, 246 



Agriculture, Irish, 251 



,, nomadic, 229 



,, Saxon, 251 



,, Spanish, 252, 309 



Agropyron, 1G5 



Air-spaces in plants, 125 



Albatross, 102 



Alcoholic fermentation, 55, 173 



Alga;, 20, 22, 29, 31-41, 137,' 139 



Alinite, 45 



Alluvials, 133-136 



Alpines, 96, 195 



Alpine and Arctic, 89-98 



Altitude, effect of, 276 



Amazons, 135 



American trotters, 297 



Animals, attacks of, 170, 175-179, 

 308-314 



Antarctic, 99-107 



Ant-fungus, 209 



Ant-gardens, 182, 209 



Antherozoids, 149 



Anthocyan, 187 



Antitoxins, 55-58 



Ants, 201, 203, 205-210, 320 



Aphis, 200 



Apodya, 139 



Arable, 250-260 



Araucaria, 241, 242, 282 



Araujia, 150 



Arbutus, 232 



Arctic, 35, 221, 222 



Argentine pampas, 136, 264, 267 



Armeria flats, 158-162 



Asparagus, 3 1 1 



Astragalus, 311 



Atavism, 305 



Australian flora, 314 



I Azorella, 100 



I Azotobacter, 43 



I 



! Bacteria, 45-62, 133, 139, 149, 193, 



\ 194 



Balearic flora, 3 1 1 



Bamboo, 257, 261 



Banana, 274 



Barberry stamens, 148 



Baudouin, 52 



Bee-orchid, 122 



Beech invasion, 232, 239 



Beech, Antarctic, 99, 100, 106 



Biometry, 327 



Birch flora, 222, 231 



Birds, 129, 202, 278 



Blackman and Matthaei, 153 



Blaeberry, 90 



Bocconia, 187 



Bogslides, 74 

 j Bohemian forest, 243 

 j Botanical Survey, 224 



Bougainvillea, 1 14 



Brachyphyllum, 155 



Bracken, 87, 185 

 i Breadfruit, 274 

 j British Columbia, 239, 240 

 I British flora, 208-235 

 I Brome mildew, 333 

 ! Bulrushes, 130 

 i Bunge, Dr., 43 

 j Burbank, Luther, 288-290 

 j Butterwort, 201 



Buttress roots, 1 89 



) Cactus, 172-174, 290 



{ Caesalpinia, 279 



I CalamariK, 81 



; Camargue, the, 161 



, Campanula, 292 



' Cape Colony scrub, 314 



i Cardamine, 219 



' Carduus acaulis, 177 



! Carpels, 109 



348 



