INDEX 



(Asterisks denote Illustrations) 



Abies, *536, 537, 539, 543; polliuatioii, 



495 

 Abietineae, 535 

 Absciss layers, 161 



Absorbeil substances, sigiiificauce of, 189 

 Absorption of gases, 211 ; of substances, 



182 ; in the multicellular plant, 18(5 ; 



into the cell, 182 ; of water, 191 

 Aljsynthin, 240 

 Acacia, *168, 169, *197, *617, *618 ; 



phj'llodes. *197 ; seedling, *168 

 Acantliaceae, 662 

 Acanthus, 662 

 Acer, *32, 157, 606, *607 

 Aceraceae, 606 

 Acetahulariu, 363 

 Acliene, 519 

 Ac/dllea, 684 

 Achimenes, 662 

 Achlya, *382 

 Achnuidhes, 352 

 Acouitine, 240 

 Aco7iitim, *573, *578, *579 

 Acorus, *482, *697, 698 ; flower of, *482 ; 



root, 124 

 Actinoniorphic Howers, *488 

 Adonis, *573 

 Adventitious organs, 250 ; formations, 



• 251 

 Aecidium, *406, 407, 408 

 Aeschynanthus, 662 

 Aesculin, 239 

 Aesculus, *489, 607 

 Aestivation, 38 

 Aethalium, 344 

 Aethusa, *638 

 Agar-agar, 379 

 Agaricineae, 413 

 A gat his, 537 

 Ayave, 709 

 Aggeratuiti, 678 

 Aggi-egatae, 675 

 Agriinonia, 613 



Agrostemma, *569, 570 



Agrostis, 693 



Aircc, 693 



Aizoaceae, 571 



Ajuga, 655 



Albugo, 383, *384 



Albumen crystals, 66 ; synthesis of, 



226 

 Alburnum, 143 

 Alchemilla, *487, *612, 613 ; apogamy, 



514 

 Alder, Alnus glutinosa 

 Aldrovanda, 587 

 Alectorolophus, 660 

 Aleurone, 66 ; grains, *67, 238 

 Alisma, *514, 686; embryo, *514 

 Alismaceae, 686 

 Alkaloids, 70, 240 

 Alkauet, A nchusa 

 Allium, 20, 703 ; root, *129, *130 

 Almond, Prunus Aiuygdalus 

 Ahms, 231,*547, 547 

 Aloe, *114, 155, *704, 705, 707 

 Aloin, 240 

 Alopecurus, 693 

 Al/iinia, 711 

 Alsiueae, 570 



Alsophila, 449, *450, *452 

 Alternation of generations, 333, 425, 443, 



475 ; scheme of, 479 

 Althaea, *596, 597 

 Altingia, 561 

 Amanita, 413, *414 

 Ainaryllidaceae, 709 

 Aviicia, *321 

 Amides, 70, 237 

 Amoeboid movements, 292 

 Ampelopsis, *319, *608 ; tendrils, *319 

 Amygdalin, 239 

 Amyloerythrin, 66 

 Amylopectin, 66 

 Auiylose, 66 

 Anabaena. 341 



745 



