130

Coffee tree, flowers and fruit 132

Germination of the coffee plant 133

Brazil coffee plantation in flower 134

_Coffea arabica_, Porto Rico 135

_Coffea arabica_, flower and fruit, Costa Rica 135

Young _Coffea arabica_, Kona, Hawaii 136

Survivors of first Liberian trees in Java 136

_Coffea arabica_ in flower, Java 137

Liberian coffee tree, Lamoa, P.I. 138

_Coffea congensis_, 2-1/2 years old 138

Flowering of 5-year-old _Coffea excelsa_ 139

Branches of _Coffea excelsa_ 140

_Coffea stenophylla_ 140

Near view of _Coffea arabica_ berries 141

Wild caffein-free coffee tree 142

Coffee bean characteristics 142

_Coffea arabica_ berries 143

_Robusta_ coffee in flower 144

One-year-old _robusta_ estate 145

_Coffea Quillou_ flowers 146

_Quillou_ coffee tree in blossom 147

_Coffea Ugandae_ 148

_Coffea arabica_ under the microscope 149

Cross-section of coffee bean 150

Cross-section of hull and bean 150

Epicarp and pericarp under microscope 151

Endocarp and endosperm under microscope 152

Spermoderm under microscope 152

Tissues of embryo under microscope 152

Coffee-leaf disease under microscope 153

Green and roasted coffee under microscope 153

Green and roasted Bogota under microscope 154

Cross-section of endosperm 156

Portion of the investing membrane 157

Structure of the green bean 157

Ground coffee under microscope 167

Coffee tree in bearing, Lamoa, P.