433 



ORIGIN OF CULTIVATED PLANTS. 



Name and duration. 



Date. 



Origin. 



Ape Alocasia macrorrhiza, f. 



Konjak Amorphophallus Konjak, If. 

 f Dioscorea sativa, T. 



Yams -^ Dioscorea Batatas, Tf. 

 Dioscorea japonica, If.. 

 Dioscorea alata, Tjl. 



Ceylon, Malay Archipelago, 

 Polynesia. 



Japan (?). 



Southern Asia fespecially 

 Malabar (?), Ceylon (?) 

 (Java (?)]. 



China (?). 



Japan (?). 



East of the Asiatic Archipe- 

 lago. 



CULTIVATED FOR THE STEMS OR LEAVES. 



1. Vegetables. 



Cabbage Brassica oleracea (1), 



(2), 5- 

 Chinese Cabbage Brassica chinensis 



(2). 

 Water-Cress Nasturtium officinale, 



r- 



Garden-Cress Lepidium sativum (1). 

 Sea Kale Crambe maritime, Tf. 

 Purslane Portulaca oleracea (1). 



New Zealand Spinach Tetragonia 



expansa (1). 

 Garden Celery Apium graveolens 



Chervil Anthriscus cerefoliam (1). 

 Parsley Petroselinum sativum (2). 



Alexanders Smyrnium Olus-atrum 



(2). 

 Corn Salad Valerianella olitoria (1). 



Artiohoke-CynaraCardun- j CavdooD 



coin. (2), T . j^;. 



Lettuce Latuca Scariola (1), (2). 



Wild Chicory Cichorium Intybus, 



V- 

 Endive Cichorium Endivia (1). 



Spinach Spinacia oleracca (1). 

 Orach Atriplex hortensis (L). 



Europe. 



China (?), Japan (?). 



Europe, northern Asia. 



Persia (?). 



Western temperate Europe. 



From the western Hima- 

 layas to southern Eussia 

 and Greece. 



New Zealand and New Hol- 

 land. 



Temperate and southern 

 Europe, northern Africa, 

 western Asia. 



South-east of Russia, west- 

 ern temperate Asia. 



Southern Europe, Algeria, 

 Lebanon. 



Southern Europe, Algeria, 

 western temperate Asia. 



Sardinia, Sicily. 



Southern Europe, northern 

 Africa, Canaries, Madeira. 



Derived from the cardoon. 



Southern Europe, northern 

 Africa, western Asia. 



Europe, northern Africa, 

 western temperate Asia. 



Mediterranean basin, Cau- 

 casus, Turkestan. 



Persia (?). 



Northern Europe andSiberia 



