438 



ORIGIN OF CULTIVATED PLANTS. 



Name and duration. 



Date. 



Origin. 



Ape — Alocasia macrorrhiza, y, 



KoBJak — Amorphophallas Konjak, Tf. 

 ■DioBcorea sativa, ^. 



Ta— 



Diosoorea Batatas, y. 

 Dioscorea japonica, y. 

 Diosoorea alata, Jf. 



(?) 



(?) 

 B.(?) 



B.(?) 

 (?) 

 (?) 



Ceylon, Malay Archipelago, 

 Polynesia. 



Japan (?). 



Southern Asia [especially 

 Malabar (?), Ceylon (?), 

 (Java (?)]. 



China (?). 



Japan (i'). 



East of the Asiatic Archipe- 

 lago. 



Cultivated roB thp Stems ok Leaves. 



1. Vege^Mes. 



Cabbage — Brassica oleracea (1), 



. (2). 5. 

 Chinese Cabbage— Brassica chinensis 



(2). 

 Water-Cress— Nastnrtinm officinale, 



Oardeu-CresB — Lepidinm sativum (1). 

 Sea Kale — Crambe maritima, y. 

 Purslane — Portulaca oleracea (1). 



New Zealand Spinach — Tetragonia 



expansa (1). 

 Garden Celery — Apium graveolens 



(2). ' 



Chervil — Anfihrisous cerefolinm (1) . 



Parsley — Pefeoselinum sativum (2). 



Alexanders — Smymium Olus-atrum 



(2). 

 Com Salad— Valerianella olitoria (1). 



Artichoke- CynaraCardun- ( ^yl?"" 

 cuius (2). y. JAr'.; 



lettuce — Latnca Scariola (I), (2). 



WUd Chicory- Cichorium Intybns, 



Endive —Cichorium Endivia (I). 



Spinach — Spinacia oleracea (1). 

 Orach — Atriplex hortensis (I). 



A. 

 (?) 

 (?) 



B. 

 C. 

 A. 



C. 

 B. 



C. 

 C. 



c. 



0. 

 C. 



C. 

 B. 



C. 



0. 



C. 



c. 



Europe. 



China (?), Japan (?). 



Europe, northern Asia. 



Versia (?). 



Western temperate Europe. 



From the western Hima- 

 layas to southern Russia 

 and Greece. 



New Zealaud and New Hol- 

 land. 



Temperatn 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, northerp 

 Africa, Canaries, Madeira. 



Derived from the oardoon. 



Southern Europe, northern 

 Africa, western Asia. 



Europe, northern Africa, 

 western temperate Asia. 



Mediterranean basin, Cau- 

 casus, Turkestan. 



Persia (?). 



Northern Europe andSiberia 



