INDEX 



ADVENTITIOUS roots, 12 



Alga, 21, 30, 81 



Ampelopais, 16 



Anatomy, 23 



Angiosperms, 61, 65, 80, 83 



Annual rings, 26 



Araucaria, 62 



BACTERIA, nitrogen-obtaining, 



in root nodules, 43 ; causing 



disease in plants, 76 

 Bast, 24 

 Biology, 7 



Breathing of plants, 45 

 Breeding of plants, 68 

 Bryophyta, 81, 82 

 Bulbs, 14 



Burbank, Luther, 70 

 Butcher's Broom, 13 

 CACTUS, 15, 52 

 Catamite*! 63, 65 

 Callus formation, 74 

 Carbohydrates, in nutrition, 41 

 Carbon assimilation, 42 

 Carpel, 17, 19 . 

 Casts, fossil, 60 

 Cell, structure, 32 

 Chlorophyll, 25, 42 

 Chloroplasts, 42 

 Chlorosis, 75 

 Chromosomes, 35, 36 

 Classification of plants, 79 

 Club-moss, 64, 82, 83 

 Coal measures, fossil plants of, 



63 



Communities of plants, 50 

 Cordaites, 63 

 Corolla, 17 

 Creepers, 16 

 Cross-breeding, 69 

 Cuscuta, 21, 77 

 Cycads, 62, 83, 87 

 Cytology, 32 



DARWIN, Charles, 70 



Dicotyledons, 28, 30, 84 



Discidia, 17 



Diseases of plants, 74 



Dodder, 21, 77 



Drosera, 16 



ECOLOGY, 50 



Embryo, 19 



Epidermis, 24 



Equisetaceaa, 29 



Equisetum, 65, 83 



FASCIATION, 78 



Ferns, 20, 28 ; fossil, 65 



Ficus, 12 



Flower, 10, 17, 69, 84 



Fossil plants, 29, 58 



Fruit, 19 



Fungi, 21 ; causing disease in 



plants, 76 

 GALLS, 77 

 Geological systems, fossil plants 



in, 61 



Geotropism, 47 

 Ginkgo biloba, 87 

 Gravitation, influence on plants, 



47 



Growth of plants, 40 

 Gymnosperms, 28, 65, 81, 83 

 HEATH, 61 

 Heliotropism, 46 

 Heredity, 70 

 Horse chestnut, 15 

 Hybrids, 69 



Hypertrophy of plant organs, 78 

 IDENTIFICATION of plants, 85 

 Impressions, fossil, 60 

 Index Kewensis, 86 

 LAMINAKIAS, 30 

 Larkspur, 18 



Leaf, 10, 13, 14, 27, 41, 44, 52, 84 

 Leguminacese, root nodules in, 



43 



98 



