INDEX 



(Asterisks denote Illustrations) 



Abies, *598, 599, 602, 606 



Abietineae, 597 ; generative nuclei, 566 



Absciss layer, 119, 163 



Absorbent roots, 184 



Acacia, *171, *664, *665, 667 ; seedling 



of, *118 



Accessory shoots, 121 

 Acer, *656 ; bud, *106 

 Aceraceae, 657 

 Acetabularia, 404, *406 

 Achillea, 717'; gynaeceum of, *548 

 AMya, *432 

 Achnanthes, 391 

 Aconitum, *633, 636, *637, 638 ; gynae- 



ceum of, *548 

 Acontae, 393 

 Acorus, 740, *742 ; flower of, *545 ; root 



of, *135 

 Acrasieae, 385 

 Acrocarpi, 496 

 Acrocomia, fruit of, *588 

 Adam, 638 

 Actinomorphic, 72 

 Adaptations, 295 ; origin of, 210 

 Adonis, *633 

 Aecidia, 455 



Aecidium Euphorbiae, 294 

 Aegle, 654 



Aerenchyma, 49, 167 

 Aerobes, 275 

 Aerotaxis, 331 

 Aerotropism, 352 

 Aesculus, 657 

 Aestivation, 87 

 Aethalium, 384 

 Aethusa, *682 

 Agar-Agar, 427 

 Agaricineae, 465 

 Agaricus, *464, 467 

 Agathis, 597, 598 

 Agave, 726 

 Aglaozoniu, 414 

 A'jrirnonia, 661 

 Agropyrnm, 735 



Agrostemma, 627, *628 



Agrostis, 734 



Aira, 734 



Aizoaceae, 627 



Ajuga, 695 



Akrogynae, 489 



Albugo, 432, *433, 434 



Albumen crystals, 32 



Albuminous substances, 266 



Alchemilla, 661 ; flower, *550 



Alcoholic fermentation, 275 



Alder, Alnus glutinosa 



Alectorolophus, 704 



Aleurone grains, 30, *31 



Alisma, 719, 721 ; embryo of, *576 



Alismaceae, 719 



Alkaloids, 29, 268 



Alkanet, Anchusa 



Allium, 725 ; root of, *135, 137 



Allogamy, 201, 558 



Almond, Primus Amygdalas 



Alnus, 610, *611 ; nodules, 261 



Aloe, *724, *725 ; epidermis of, *169 



Alopecurus, 734 



Alpinia, 745 



Alsophila, 506, *506, *509 



Alstonia, 689 



Alternation of generations, 193, 475 ; 



scheme of, 543 

 Althaea, *647, 649 

 Aluminium, 240 

 Atnanita, *465, *466, 467 

 Amarantus, 95 

 Amaryllidaceae, 726 

 Amicia, day-position, *358 ; night-position, 



*358 



Amides, 29 

 Ammo-acids, 266 

 Amitotic division, 24 

 Ammonia, assimilation of, 257 

 Amoeboid movements, 328 

 Ampelopsis, *658 

 Amphibious plants, 293 

 Amphitheciurn, 481 



777 



