INDEX. 



ACTION of plants on atmo- 

 sphere, 72. 



Advantages and disadvantages 

 , of parasitism, 87 ; of sapro- 

 phytes, 87. 



Age of trees ascertained by 

 annual rings, 48. 



AlgcB, 9. 



Alternation of generations, 122. 



Anemone appenina, 145. 



Anemophilous, or wind-ferti- 

 lized plants, 24. 



Anemophilous flowers, charac- 

 ters of, 129. 



-dmgrMspermoB, characters of, 178. 



Angiosperms, 31. 



Aninaal kingdom, characters of, 

 6. 



Annual plants, 25 ; rings, 48. 



Antherozoids, 22, 34, 119. 



Arwm maculatmn, 115, fig. 33. 



Asexual reproduction, 22. 



Assimilation, 61. 



Bark, 48. 

 Bast-fibres, 51. 



Bees, their power of recognizing 

 colours, 145. 



Biennial plants, 25. 

 Bilabiate corolla, 142. 

 Birds' nest orchis, 87. 

 Bitter tastes, a means of protec- 

 tion, 114. 

 Bladderwort {Utricularia), 71. 

 Bramble, no. 

 Broomrape (Orohanche), 79. 

 Bryony (Bryonia dioica), 112. 

 Butterwort (Pingmeula), 71. 



Cactus {EcMnocactus JDecaisne- 

 anua), 37, fig. 10. 



Calamites, 189. 



Calyx, 30; petaloid, 182. 



Cambium, 47. 



Carbonic dioxide, 54. 



Carnivorous plants, 72 ; how 

 insects are captured, 76. 



Carnivorous property an ac- 

 quired one, 74. 



Carpels, 31, 162. 



Cauline bundles, 44. 



Cell of celandine, 33, fig. 8. 



Cell-contents, 35. 



Cell-sap, 38. 



Cell-wall, 32. 



Cellulose, 32. 



