444 



ORIGIN OF CULTIVATED PLANTS. 



Name and duration. 



Sweet Sorghum — Holcus sacchara- 



tU8 (1). 



Coracan — Eleusine coracana (1). 

 Rice — Oiyza sativa (1). 



Date. 



(?) 



B. 

 A. 



Origin. 



Tropical Africa (?). 



India. 



India, southern China (?). 



2. Various Uses. 



Poppy — Papaver somniferum (1). 



White Mustard — Sinapis alba (1). 

 Black Mustard — Sinapis nigra (1). 



Gold of Pleasure — Camelina sativa 



a). 



Herbaceous Cotton — GossTpium her- 



baceum, 5 (1). 

 Tree Cotton — Gossypiumarboreuin,^- 

 Arabian Cofifee — Coffea arabica, 5. 



Liberian Coffee — Coffea liberica, 5- 

 Sesame — Sesamum indicum (1). 

 Nutmeg — Myi-istica fragrans, 5- 

 Castor-OU Plant — Ricinns com- 

 munis, 3. 

 Walnut— Juglans regia, §. 



Black Pepper — Piper nigrum, ^. 

 Long Pepper — Piper longum, 5. 

 Medicinal Pepper — Piper officina- 

 lis, 5. 

 Betel Pepper— Piper Betle, §. 

 Areca Nut— Areca Catechu, 5. 

 Cocoa Nut — Cocos nucifera, §. 



B. 



B. 

 B. 



B.(?) 



B. 



B.(?) 

 C. 



C. 

 A. 

 B. 

 A. 



(?) 



B. 

 B. 



B. 



B. 

 B. 



(?) 



Derived from P. setiferwn of 

 the Mediterranean basin. 



Temperate and southern 

 Europe, north of Africa, 

 western temperate Asia. 



Temperate Europe, Cau- 

 casus, Siberia. 



India. 



Upper Egypt. 



Tropical Africa, Mozam- 

 bique, Abyssinia, Guinea. 



Guinea Angola. 



Sunda Isles. 



Moluccas. 



Abyssinia, Sennaar, Kordo- 

 fan. 



Eastern temperate Europe, 

 temperate Asia. 



India. 



India. 



Malay Archipelago. 



Malay Archipelago. 

 Malay Archipelago. 

 Malay Archipelago (?), Poly- 

 nesia (?). 



SPECIES OF AMERICAN ORIGIN. 

 Cultivated toe the Underground Parts. 



E. New Granada (?). 



E. (?) North America (Indiana). 



Arracacha — Arracacha esculenta, 2^ 



(1). 

 Jerusalem Artichoke — Helianthus 



tuberosus, ^. 

 Potato — Solanum tuberosum, ':f. 

 Sweet Potato— Convolvulus batatas, 



J- 

 Manioc — Manihot utilissima, ^. 

 Arrowroot — Maranta arundinacea, ^. 



E. 

 D. 



E. 



(?) 



ChHi, Peru (?). 



Tropical America (where ?) . 



East of tropical Brazil. 

 Tropical (continental ?) 

 America. 



