CONTENTS. 



PAET I. 

 GENEEAL REMARKS. 



OHAPTBB PACK 



L Is WHAT MaNNEB and AT WHAT EPOCHS CULTIVATION BE6AK 



IN DirFERia^T CorNTRlES ... ... ... ... 1 



II. Methods for discoyebing ob fboyinq th£ Obigin of SPECiEe 8 



PAET n. 



ON THE STUDY OF SPECIES, CONSIDERED AS TO THEIB 

 ORIGIN, THEIR EARLY CULTIVATION, AND THE 

 PRINCIPAL FACTS OF THEIR DIFFUSION. 



I. Plants cultivated for theib Subteeeanean Parts, such 



AS Roots, TrBERCLES, or Bulbs ... ... ... 29 



IL Plants cultivated for their Stems or Leaves... ... 83 



III. Plants cultivated for their Flowers, or fob the Organs 



which envelop them ... .„ ... ... 161 



IV. Plants cultivated fob their Fruits ••• ^, ^, 168 

 V. Plants cultitatkd for their Seeds .«« m« «^ 313 



PAET m. 



SLTMMARY AND CONCLUSION. 



X- General Table of Species, with their Origin and the 



Epoch op their Earliest Cultivation „, ,., 436 



n. General Obsebvations and Conclusions ,^ ,^ 447 



Index ... ... ... ... ... m« •*. 463 



