^.R. 



CONTENTS 



CHAPTER PAGE 



PART I.— THE BOTANY OF THE GENUS COFFEA L. i 

 I. Botanical Treatment of the Genus Coffea L. . . 3 

 H. Key for the Identification of Economic Species . . 11 

 HI. Section EUCOFFEA Hook. f. Excluding the Non- 

 Economic Species 15 



IV. Section LACHNOSTOMA Hook. f. Excluding the 



Non-Economic Species 97 



Chronological Table for Coffee .... facing 106 



PART II.— ECONOMIC DISCUSSION OF COFFEE 107 



V. Introduction 109 



(a) Indigenous Geographical Distribution .... 109 



r The Principal Coffee-Growing Countries . . iii 



(b) -I Explanation of the Terms Used in- Commercial 



Classification iil 



(c) Production and Consumption 118 



VI. Preparation of the Coffee-Bean 124 



(a) Plantation Treatment 124 



(b) Treatment by Wholesale Distributors .... 127 

 VII. Commercial Sophistication and Substitution . . . 130 



(a) Botanical Sources of Coffee-Substitutes and Adul- 



terants 136 



(b) Detection of Coffee Sophistications 140 



VIII. The Chemistry of Coffee 157 



IX. Table Coffees 182 



(a) Explanation of Terms 182 



(b) Formulas for Preparation 183 



X. Caffeine-Yielding Plants of the V^orld .... i$7 



APPENDICES.— ETHNOLOGICAL DISCUSSION OF 



COFFEE 211 



Appendix A. — Philological and Botanical Treatise . . . 213 



Appendix B. — The History of Coffee-Houses 222 



Index 237 



xiii 



