INDEX 



Acorns, 8, 16 



Albumen, 5 



Alder, 147, 154 



Anemone, 154 



Apple, 83, 91, 151, 162; root 

 system, 31 ; stipules, 67 



Apricot, 4 



Artichoke, 45 



Ash, 21, 46, 56, 81 



Assimilation, 77-80 



Atmosphere and plants, 77 ; com- 

 position of, 76 



Avens, 162 



B 



Bacteria in soils, 123 



Balsams, 53, 152, 157 



Bark, 46 



Barley, 4, 5, 21, 23, 147, 155; root 



system, 31 



Basic phosphate, 131 ; slag, 131 

 Bean, 4, 13, 23, 53, 147, 154 

 Beech, 78, 165 ; root system, 31 ; 



stipules, 67 

 Beet, 5, 23, 27, 69, 91 ; arrangement 



of leaves, 75 

 Beetle, life-history, 171 

 Begonia, propagation of, 29, 40 

 Pind-weed, 56 

 189 



Birch, 162 



Blackberry, 70, 162 



Blood, as manure, 130 



Bluebell, 150 



Box, 74, 165 



Breathing of plants, 78 



Broad bean, 21 



Broom, 81, 86, 165 



Bryony (black), leaf-veins, 71 ; 



(white), tendrils, 45, $6 

 Buckwheat, 4, 5, 21 ; germination, 9 

 Budding, 48, 57, 62 

 Bulbs, 69 

 Burdock, 162 

 Butter-burr, 150 

 Buttercup, 154 

 Butterfly, life-history, 170 



Cabbage, 4, 23 ; leaf-buds, 67, 81 



Cambium, 46, 48 



Canterbury bell, 141 



Carbon, 76, 91 ; dioxide, 76, 91 



Carrot, 5, 23, 27, 56, 143 



Cassava, 28 



Castor-oil plant, n, 21 



Caterpillar, life-history, 169 



Celandine, 166 



Cereals, II, 147 



Chalk, 91 ; in soils, no, 120 



Chili saltpetre, 130 



