INDEX. 



All references are to pages. When there are two or more references to the 

 same topic, figures in bold-face indicate the definition or chief discussion of the 

 subject. Italic figures indicate illustrations. 



Absorption, carbon dioxide 165 ; 

 water 74, 153, 155, 323 



Acacia, leaves I : ' t 



Acetabularia 23, l'4 



Achillea, inflorescence 257 



Achlya, sex organs 293 



Acids, carbon 175 



Adaptations 146, 308 



Adiantum 382; embryo 62, 68; 

 leaf 126; spermary 282 



Aeration 171 



Agaricus 377, 404 



Agrimonia, fruit 866 



Ailanthus, fruit 864 



Air, distributing seeds 363; dis- 

 tributing spores 356; effect of 

 composition 312 ; effect of 

 moisture in 316; -plants 152 



Alcanna, corolla 250 



Aldrovandia ..'}>: 



Aleurone grains 169 



Algae, eggs ?86, 288; fission 8; 

 gametes 278; imprisoned 338, 

 877 ; in other water plants 33 1 



Alkaloids 177 



Allium, stem 106 



Aloe, epidermis 828 



Alternation of generations 49. 

 60 



Amanita, fructification 219 



Amorpha, sleep movement .'". v 



Amorphophallus, leaf 125 



Anabaena 10 



Anabolism 166 



Anagallis, fruit SOS; pistil :','> 



Anaptychia, apothecium 



Angiosperms 237; ovary 291; 



seed 299; sperr.iary 281 

 Animals, and plants 336, 338, 



342; distributing seeds 365; 



distributing spores 357 

 Anther 246 



Anthyllis, venation 137 

 Ants and plants 348 

 Apical cell, Cha.ra.SO, 31; Funis 



34', liverworts 51; Polysipho- 



nia 32; root 67, 6S; shoot 84 

 Apodanthes S40 

 Apogamy 294 

 Apparatus 409 

 Apple, fruit S05 

 Arbor vitae, shoot 97 

 Archegonium 289 

 Arisarum, flower 

 Armor, protective 347 

 Artemisia, hail 

 Ash, pistil of .;/ 

 Asparagus, branches 92 

 Aspidium, pinnule 280; s.irus 



281; sporangium 

 Asplenium, buds 262; gamete* 



phyte 60 

 Assimilation 1 62 



Astragalus, pistil 

 A ulai omnium, brood bud 

 Automatism u^. 188 

 Auxanometer isn 



Bai tei ia to, //. 12 

 Bacterium aceti // 

 Balsam, stem 6 

 I tai berry, thori 



,19 



