250 HORTICULTURIST'S RULE-BOOK. 



Bean, Lima. About 500 years ; South America. 

 Blackberry. About 40 years ; North America. 

 Buckwheat. Less than 2000 years ; Mandschuria, central 



Siberia. 

 Buckwheat, Tartarian. Less than 2000 years ; Tartary, 



Siberia to Dahuria. 



Cabbage. Over 4000 years ; Europe. 

 Carrot. Over 2000 years; Europe, western temperate Asia 



(?) 

 Celery. Over 2000 years ; Europe, Asia, and Africa. 



Cherry. More than 2000 years ; temperate Europe and Asia. 



Chestnut. (?); from Portugal to Caspian Sea, eastern Al- 

 geria. 



Chives. Less than 2000 years ; temperate and northern 

 Europe. 



Citron. Over 2000 years ; India. 



Corn-salad. Less than 2000 years ; Sardinia, Sicily, 



Cotton, Herbaceous. Over 2000 years ; India. 



Cranberry. About 50 years ; North America. 



Cress. Over 2000 years ; Persia (?). 



Cucumber. Over 4000 years ; India. 



Currant, Black. Less than 2000 years ; Europe, western 

 Himalayas. 



Currant, Red. Less than 2000 years ; Europe to Himalayas. 



Date-palm. Over 4000 years ; western Asia and Africa. 



Egg-plant. Over 4000 years ; India. 



Endive. Less than 2000 years ; Mediterranean basin. 



Fig. Over 4000 years ; south of Mediterranean basin. 



Garlic. Over 2000 years ; desert of the Kirghis. 



Gooseberry. Less than 2000 years ; temperate Europe, 

 western Himalayas. Houghton and Downing are from a 

 native species. 



Grape. European or wine grape (the grape of history), over 

 4000 years ; western Asia and Mediterranean basin. 

 American grapes are natives, and have come into cultiva- 

 tion within this century. 



Hop. Less than 2000 years j Europe, Asia, United States. 



