Abies, 281, 356 
Abietaceae, 279, 356 
Abrotanin, 149 
Abutilon, 362 
Acacia, 368 
Acanthaceae, 367 
Acarospora, 340 
Acarosporaceae, 340 
Acer, 371 
Aceraceae, 371 
Acervuli, 239 
Acetabularia, 192, 336 
Acetic acid, 140 
Achariaceae, 364 
Achene, 312 
Achlya, 335 
Acids, 18, 139 
Aconitin, 149 
Acorn, 311, 325 
Acorns, 300, 358 
Acrocarpi, 252, 349 
Acrospermaceae, 343 
Acrotylaceae, 339 
Actinocyclus, 334 
Actinodiscaceae, 334 
Actinodiscus, 181, 334 
Actinomorphic, 292, 322 
Adder-tongues, 257, 352 
Adiantum, 259, 353 
Adoxaceae, 373 
Aecidiaceae, 347 
Aecidiospores, 233 
Aecidium, 234, 347 
Aeciospores, 233 
Aerobic respiration, 91 
Aesculin, 149 
Aesculus, 371 
Agaricaceae, 229 
Agaricales, 229, 345 
Agarics, 345 
Agaricus, 229, 345 
INDEX 
Agathis, 279 
Agave, 320, 360 
Agrostideae, 359 
Agrostis, 359 
Aizoaceae, 364 
Alaria, 337 
Albuginaceae, 187, 335 
Albugo, 188 
Albumens, 151 
Albuminoids, 152 
Albumoses, 152 
Alcohols, 141 
Aleuron, 14 
Alisma, 289, 357 
Alismataceae, 357 
Alismatales, 295, 357 
Alkaloids, 18, 149 
Allium, 300, 358 
Almond, 314 
Alnus, 372 
Alsine, 364 
Alsophila, 352 
Alternate leaves, 292 
Alternation of Generations, 242 
Althaea, 305, 362 
Alyssum, 364 
Amanita, 345 
Amaranthaceae, 365 
Amaranthus, 365 
Amaryllidaceae, 360 
Amaryllis, 298, 360 
Amaryllises, 360 
Amblystegium, 351 
Ambrosia, 375 
Ambrosiaceae, 375 
Ampelopsis, 371 
Amphipleura, 334 
Amphisphaeriaceae, 343 
Amygdalin, 148 — 
Amyegdalus, 368 
Amylase, 153 
381 
