INDEX 



Abnormal methods of food supply, 

 197 



Absorption, of water 22, 69, of 

 food materials 140, of salts 144, 

 of gases 151, of organic food 

 197 ; conditions of continuous, 

 144; facilitated by CO 2 145, by 

 acid sap 145 ; strength of salts 

 absorbed, 146 ; varied amounts 

 of salts absorbed, 146, 147 



Acclimatisation, 367 



Acer, 87 



AconUum, 438 



jtEthalium, 9 



After-effect of stimulation, 398, 407 



Agave, 253 



Aggregation, 391, 405 



Air-chambers, in Isoetes, 106 ; in 

 Marsilea, 107 ; in submerged 

 plants, 108 ; in grasses, 109 ; in 

 leaf of heath, 112 



Albumen, 434 



Albumin, 175 



Albuminates, 176 



Albumoses, see Proteoses 



Alburnum, 72 



Alchemilla, 76, 83 



Alcohol, 268, 301 



Aleurone grains, 249, 251 



Alkaloids, 284 



Alternation of generations, 426 



Aluminium, 143, 188 



Amidated fatty acids, 284 



Amido-acids, 180 



Ampelopsis, 388 



Amygdalin, 252, 267 



Anabolism, 137, 272 



Anaerobic plants, 129, 304 



Anaesthetics, action of, 408 



Analysis, destructive, 143 



Ananassa, 266 



Anemophilous flowers, 438 



Antheridia, 424 



Antherozoids, 423 ; motion of, 434 ; 

 attraction of, 435 



Anthoceros, 210 



Anthocyan, 281, 323 



Anthoxanthum, 441 



Antipodal cells, 432, 434 



Apheliotropism, 378 



Aphydrotropism, 392 



Apogamy, 448 



Apogeotropism, 381 



Apospory, 448 



Apostrophe, 364 



Aquatic plants, structure of, 330 



Arabinose, 42 



Archegonia, 425 



Ascending sap, 66 



Ascidia, 201, 202, 203 



Ascogonidia, 420 



Ascomycetes, 424 



Ascospores, 420 



Asexual reproductive cells, 420 



Ash of plants, composition of, 143, 



184 ; effect of its constituents on 



vegetation, 195 

 Ash of proteids, 174 

 Asparagin, 180 ; as a reserve 



material, 252 ; as a product of 



digestion, 266 

 Aspergilhis, 264 

 Asphyxiation, 300 

 Assimilation, 137, 271 ; (of carbon 



dioxide, see Photosynthesis) 

 Auxanometer, 314 

 Azolla, 210, 439 

 Azygospore, 448 



BACH on photosynthesis, 168 



Bacteria, 2, 3 



Bacterium termo, relation to oxygen, 



170, 392 

 Bambusa, 29 

 Bark, 20, 240 

 Bartsia, 204 

 Bast, 22, 52 ; function of, 227, 230, 



232 

 Bauhinia, 377 



GG 2 



