CONTENTS. 



PAGE 



Preface ... ... ... ... ... ... ... v 



Introduction ... ... ... ... ... ... vii 



Translator's Note ... ... ... ... ... ... xi 



Table of Equivalents ... ... ... ... ... xvi 



CHAPTER I.— General Remarks ... ... ... ... i 



CHAPTER II.— Account of the Theories on the Absorption 



OF Nitrogen from the Air by the Leguminos/E ... 9 



Chief Researches 



Inquiry into External Causes 



Various Researches on Nodules 



The Work of Helhiegel and Wilfarth 



Thomas Jamieson 



Formation of Root Nodules 



Mechanism of Free Nitrogen Assimilation 



Formation of Races of Bacteria belonging to the Leguminoste 



Artificial Inoculation of Soils 



CHAPTER III.— Description of Various Leguminous Plants 



OF .Agricultural Value... ... ... ... ... 47 



AracJiis hypogcea (Pea-nut). Origin — Brief Description — 

 Cultivation — Varieties — Yield — Composition — Uses — 

 Production 

 Voa7idzeia subterranea (Bambarra Ground-nut) 

 Canavalia eiisiforinis (Jack Bean) 

 Cajanus indicus (Pigeon Pea, Congo Pea, No-eye Pea, 



Ambrevade) 

 Cicer ariefinum (Chick Pea) 

 Ct otalaria 



Cyamopsis psora loides 

 Desmodium tortttosiiui 

 Dolichos biflorus 



„ bidbosus (Manioc Pea, Yam Bean) 



„ fabceforinis 



„ lablah (Bonavis Bean) 



„ sesqiiipedalis 



„ iiniflo7iis 



