INDEX. 



Absciss layer, 107, 213 



Acer pseudoplatanus, see Sycamore 



.ZEsculus hippocastanum, see Horse- 

 chestnut 



Al, 150 



Alternation of generation, 118 



Anagallis, 51 



Anatropous, 173 



Androecium, 147 



Annual rings of Oak, 68 ; prac- 

 tical work, 209 



Annulus, 132 



Antber, 147; practical work, 220 



Antheridium, 135 



Antherozoid, 135 



Antipodal cells, 174 



Arboreal habit, physiology of, 89 



Arcbegonium, 134 



Archespore, 131 



Artichoke, see Jerusalem Artichoke 



Artillery plant, 158 



Arum, stomata of, 102 



Asexual reproduction, 108 



Ash, fruit of, 185 ; practical work, 

 226 



Aspidium, 129, 133 



Assimilation of carbon, 9 



Axil, 26, 52 



Bark, 80; practical work, 210 



Bast, 88 



Bast-fibres, 56, 62, 88 



Bean, flower of, 148; practical 



work, 219; root of, 33; practical 



work, 205 ; seed of, 14 ; seed of, 



practical work, 202 

 Beech, cork of, 83 ; practical work, 



211 



Bignonia, seed of, 182 

 Blade of leaf, 99 

 Bracken Fern, see Fern 

 Bract, 163 

 Bulb of tulip, 30; practical work, 



204 



Bundle sheath, see Endodermis 

 Burdock, 188 

 Burrs, 181, 188; practical work, 



227 



Butcher's Broom, leaves of, 52 

 Buttercup, flower of, 143; practical 



work, 219 



Calcium oxalate, crystals of, in 



Mucor, 114; in Oak bark, 88 

 Caltha, ovule of, 172 

 Calyx, 144 

 Cambium, 56, 63; initial layer of, 



