174 



THE OAK 



FLE 



Flexibility of oak, 141 



Flowers of oak, 121 ; figs. 31, 



32 



Folk-lore, 2, 3 

 Fruit of oak, 10, 131 

 Fundamental tissue, 16, 39 

 Fungi, 96, 153, 156-163 ; figs. 25, 



42-47 



GALL-INSECTS, 161 ; fig. 48 

 General description of oak, 5 

 Germination, 10-23 

 Growing-point, 37, 74, 96 ; figs. 6, 



19 

 Growth in thickness 68, 91, 100- 



103 



HABIT of oak, 150 



Hardness of oak, 141 



Heart-wood. See Duramen 



High forest. 147 



Honeysuckle, 155 



Hornbeam, 148 



Hydnum diversidens, 159 ; fig. 



43 



Hymenomycetes, 157 

 Hyphae, 97, 157 ; fig. 25 

 Hypocotyl, fig. 3 



INFLORESCENCE of oak, 121 ; figs. 



31,32 

 Injuries to which oak is subject, 



152-163 

 Insects, 154 



LAMMAS shoots, 6, 74 



Leaf, 21, 76-88 ; figs. 20, 21, 22 



Leaf-trace, 47, 49, 69 



Lenticels, 114 



Lorcmthus europceus, 155 ; fig. 41 



MEDULLARY rays, 34, 39, 48, 52, 

 64, 63, 95, 100, 104, 136 ; figs. 

 9, 12, 27, 38 



Merulius lacrymans, 1 60 ; figs. 



46,47 

 Mesophyll, 76, 79, 81, 85 ; fig. 



22 



Mistletoe, 155 

 Mixed woods, 148 

 Mycorhiza, 96 ; figs. 7, 25 



NECTKIA, 156 



OAK-APPLE, 163 

 Oak-moth. See Tortrix 

 Ovary, 124, 130 ; figs. 33, 34 

 Overcrowding, 153 

 Ovules, 125, 128 ; figs. 34, 35 



PARENCHYMA, 18 

 Peculiarities of oak, 142 

 Pericarp, 12, 131 ; figs. 2, 3, 37 

 Pericycle, 30, 32 ; fig. 5 

 Periderm, 93, 111, 117 

 Perigone, 124 

 Phellem. See Cork 

 Phelloderm, 117 

 Phellogen, 116 

 Phloem, 32, 40, 52-71, 92, 99, 



103, 111 ; figs. 5, 6, 9, 17, 18, 



24 



Phyllactinia, 156 

 Phyliotaxis, 42, 47, 78, 122 

 Physiology of roots, 35 



of leaf, 83-87, 91 



of stem, 90 



Piliferous layer, 24, 32, 91 ; figs. 



5,6 

 Pith, 39, 52, 55, 98, 130 ; figs. 5, 



12, 99 



Plasticity of roots, 35 

 Plumule, 14, 21, 130; figs. 2, 3 

 Pollen, 123, 128 

 Pollination, 123, 126 

 Polyporus dryadeus, 159 ; fig. 45 



igniarius, 159 ; fig. 44 



sulphivreus, 159 

 Primary root, 14, 22 ; fig. 3 



