444 



ORIGIN OF CULTIVATED PLANTS. 



2. Various Uses. 



Poppy- Papaver somniferum (1). 



White Mustard Sinapis alba (1). 

 Black Mustard Sinapis nigra (1). 



Gold of Pleasure Camelina sativa 



(1). 

 Herbaceous Cotton Gossypium her- 



baceum, $ (1). 



Tree Cotton Gossypium arboreum , . 

 Arabian Coffee Coffea arabica, 5. 



Liberian Coffee Coffea liberica, . 

 Sesame Sesamum indicum (1). 

 Nutmeg My ristica fragrans, 5- 

 Castor-Oil Plant Ricinus corn- 

 munis, . 

 Walnut -Juglans regia, S- 



Black Pepper Piper nigrum, *j- 

 Long Pepper Piper longum, *> 

 Medicinal Pepper Piper oflicina- 



lis, $. 



Betel Pepper Piper Betle, $. 

 Areca Nut Areca Catechu, 5. 

 Cocoa Nut Cocos nucifera, . 



Derived from P. setiferum 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 OP AMERICAN ORIGIN. 

 CULTIVATED FOR THE UNDERGROUND PARTS. 



Arraoacha Arracacha esculenta, 1L 



(1). 

 Jerusalem Artichoke Helianthus 



tuberosus, If. 



Potato Solanum tnberosum, if.. 

 Sweet Potato Convolvulus batatas, 



T. 



Manioc Manihot utilissima, . 

 Arrowroot Maranta arundinacea, Tjl. 



E. 



D. 



E. 



New Granada (?). 



North Amei'ica (Indiana). 



Chili, Pern (?). 



Tropical America (where ?) . 



East of tropical Brazil. 

 Tropical (continental ?) 

 America. 



