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. 



Absorptiofi, carbon dioxide 165; 

 water 74, 153, 155, 323 



Acacia, leaves I'-J^ 



Acetabularia 23, £•'4 



Achillea, inflorescence 251 



Achlya, sex organs 293 



Acids, carbon 175 



Adaptations 146, 308 



Adiantum 382; embryo G2, 63\ 

 leaf l'2fj; spermary fS^ 



Aeration 171 



Agaricus 377, 404 



Agrimonia, fruit 36G 



Ailanthus, fruit 36'4 



Air, distributing seeds 363; dis- 

 tributing spores 356: effect of 

 composition 312 ; effect of 

 moisture in 316: -plants 152 



Alcanna, corolla 250 



Aldrovandia 34'^ 



Aleurone grains 1€9 



Algae, eggs 2Sfi, 2S8; fission 8; 

 gametes 273; imprisoned 338, 

 377; in other water plants 334 



Alkaloids 177 



Allium, stem 106 



Aloe, epidermis 323 



Alternation of generations 49, 

 60 



Amanita, fructification 219 



Amorpha, sleep movement 207 



Amorphophallus, leaf 1:'5 



Anabaena 10 



Anaholism i56 



Anagallis, fruit .'?ftj; pistil .'-'45 



Anaptychia, apothecium 225 



Angiosperms 237; ovary 291; 



seed 299; sperr.iary 28 r 

 Animals, and plants 336, 338, 



342; distributing seeds 365; 



distributing spores 357 

 Anther 246 



Anthyllis, venation 137 

 Ants and plants 348 

 Apical cell, Cha.Ta.oO, 31; Fucus 



34; liverworts 51; Polysipho- 



nia 32; root 67, 68; shoot 84 

 Apodanthes 340 

 Apogamy 294 

 Apparatus 409 

 Apple, fruit 305 

 Arbor vitae, shoot 97 

 Archegonium 289 

 Arisarum, flower f-^f? 

 Armor, protective 347 

 Artemisia, hairs 322 

 Ash, pistil of 2.^1 

 Asparagus, branches 92 

 Aspidium, pinnule 230; sorus 



231; sporangium 356 

 Asplenium, buds 262; gameto- 



phyte 60 

 Assimilation 762 

 Astragalus, pistil 24- 

 Aulacomnium, brood buds 262 

 Automatism 145, 188 

 Auxanometer ISO 



Bacteria 10, 11, 12 

 Bacterium aceti 11 

 Balsam, stem 6 

 Barberry, thorns 343 



419 



