GENERAL OBSERVATIONS AND CONCLCJSIONS. 45 C, 



species which are not enumerated below; they are 169 

 in number. 



Among these 169 species, 31 belong to the categories 

 A and D, of very ancient cultivation, 56 have been in 

 cultivation less than two thousand years, C, and the 

 others are of modern or unknown date. 



2. Seen and gathered in the same conditions, but by 

 a single botanist in a single locality. Tkree species. 



Cucurbita msixim.a,,Faba vulgaris, NicotianaTabacum. 



3. Seen and mentioned but not gathered in the same 

 conditioDS by one or two authors and botanists, more or 

 less ancient, who may have been mistaken. Two species. 



Carthamus tinctorius, Triticwm vulgare. 



4. Gathered wild by botanists in several localities 

 under a form slightly different to those which are culti- 

 vated, but which most authors have no hesitation in 

 classing with the species. Four species. 



Olea europoea, Oryza sativa, Solanum tuberosum, 

 Vitis vinifera. 



5. Wild, gathered by botanists in several localities 

 under forms considered by some botanists as constituting 

 different species, while others treat them as varieties. 

 Fifteen species. 



Ailium ampeloprasum porrum, Cichorium Endivia, 

 var.. Crocus sativus, var., *Cucumis melo, Cucurbita 

 Pepo, Helianthus tuberosus, Latuca scariola sativa, 

 Linum usitatissiTYiv/m annuum, Lycopersicum esculen- 

 tium, Papaver somniferum, Pyrus nivalis var., *Ribes 

 grossularia, Solanum Melongena, *Spinacia oleracea var., 

 Triticum monococcum. 



6. Subspontaneous, that is half- wild, similiar to one 

 or other of the cultivated forms, but possibly plants 

 escaped from cultivation, judging from the locality. 

 Twenty -four species. 



Agava americana, Amarantus gangeticus, Aniygdalus 

 'persica, Areca catechu, *Avena orientalis, Avena sativa, 

 *Cajanus indicus, Cicev arietinum, Citrus decumana, 

 Cucurbita moschata, Dioscorea japonica, Ervum Ervilia, 

 Ervum lens, Fagopyrum emarginatum, Gossypium bar- 

 badense, Holcus saccharatus, Uolcus sm^ghumfi, Indigofera 

 30 



