174 THE 
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. 28, 
42-47 
GALL-INSECTS, 161; fig. 48 
General description of oak, 5 
Germination, 10-23 
Growing-point, 37, 74, 96; figs. 6, 
i) 
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 
Hyphe, 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 
Loranthus europeus, 155 ; fig. 41 
MEDULLARY rays, 34, 39, 48, 52, 
54, 63, 95, 100, 104, 136; figs. 
9, 12,264,389 
OAK 
PRI 
Merulius lacrymans, 160; figs. 
46, 47 
Mesophyll, 76, 79, 81, 85; fig. 
22 
Mistletoe, 155 
Mixed woods, 148 
Mycorhiza, 96; figs. 7, 25 
Necrria, 156 
OAK-APPLE, 163 
Oak-moth. See Tortria 
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 
Phloém, 32, 40, 52-71, 92, 99, 
103, 111; figs. 6, 6; 9) P7aie 
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, 136; figs. 5, 
Plasticity of roots, 35 
Plumule, 14, 21, 130; figs. 2, 3 
Pollen, 123, 128 
Poilination, 123, 126 
Polyporus dryadeus, 159; fig. 45 
— igniarius, 159 ; fig. 44 
— sulphureus, 159 
Primary root, 14, 22; fig. 3 
