INDEX 



Aconitum Na-peUus, 185 

 Alder catkins, 56 



flowers, 27 



Anemone, Buttercup origin of, 177, 



178 



, Coloured sepals of, 178-180 



, Nectaries of, 180 



Angelica sylvestris, 190 

 Angelica, Wild, and insects, 190 

 , , Unsymraetrical flowers of, 



190 

 Animals, Defensive tactics of, 58, 59 

 , Grazing, and sensitive plants, 



60, 61 

 Ants and hairs of plants, 177 



honey, 8 



Aquilegia vulgaris, 182 



Arum and midge-flies, 33, 35-43 



■ berries, 44, 45 



, Common, 32 



, Cross-fertilisation of, 41 



, Inflorescence of, 34, 35, 37-39 



, Intoxicating nectar of, 41 



, Leaves of, 34 



maculatiitn, 31 



, Midge-flies entrapped in in- 

 florescence of, 40 



, Pollen of, 41, 42 



, Purple club of inflorescence, 



39> 42, 43 



, Start in life of, 33, 34 



, Temperature within inflores 



cence of, 36 



, Tubers of, 34 



Ash, Flowers of, 56 



Aspidiutn Filix-mas, 194 



B 



Bamboos, Flowers of, 147 

 Barberry, Gripping powers of sta 

 mens of, 71 



, Sensitive stamens of, 70 



, Stamens and pollen of, 71 



Bee and catkins, 50, 51 



Primrose, 78-81 



, Proboscis of, 80 



Bees and nectar, 13 



Beetles in Barberry flowers, 70-72 

 Birds and Arum berries, 45 

 Bird's-eye Primrose, 75 

 Bird's-foot Trefoil, 91 



, Floral arrangement of, 152 



Bracken, Fructification of, 193 

 Bramble, 6, 9, 10 



Bramble Flower, Structural details 

 of, 4 



Briza media, 143 



Broom, Branches of, with leaf func- 

 tions, 89 



, Flowers of, 90 



, Golden yellow of, 85 



, Leaves of, 85, 86, 88, 89 



, Protection of, against animal 



attacks, 89, 90, 92 



Bryony, Sensitive tendrils of, 69 



Buttercup, 6, 9, 10 



, Bulbous, flowers and roots, 173, 



177 



, Details of flower, 4 



, Features of typical, 178 



, Meadow, 173 



species, 174 



Buttercups and fivefold flowers, 172 



and pollen-eating insects, 179 



, Obsolete nectaries of, 180 



, Origin of species of, 185 



, Reduction in number of ovaries 



of, 182, 183 

 , Suppression of petals of, 178 



Cacti and animal attacks, 100, loi 



, Leaves of, 9S-100 



, Offshoots of, conveyed by 



animals, loi 

 — , storing water in tissues, 99 

 Caladium, 102 

 , Large leaves of, 102 



199 



