8 The Subject 



Dioscoreacese, Yam Family. 



Yam (true), Dioscorea Batatas, D. alata, and others. 



Air potato, D. liulbifera (tubers mostly aerial). 

 Chenopodiacese, Goosefoot Family. 



Beet, beet-root, mangel, Beta vulgaris (see also Group I). 



OUuco, Ullucus tuberosus. 

 NympIiseaceEB, Water-lily Family. 



Water-lily root, Nelumho nucifera. 

 Cruciferse, Mustard Family. 



Radish, Baphanus sativus and botanical varieties. 



Turnip, Brassica Bapa. 



Rutabaga, Brassica campestris var. napo-brassica. 



Tuberous-rooted mustard, Brassica napiformis. 



Horse-radish, Armoracia rusticana. 

 Leguminosse, Pulse or Pea Family. 



Groundnut, Apios tuberosa. 



Goa bean (tuberous roots), Psophocarpus tetragonolobus 

 (see also Group III). 



Yam-bean (tuberous roots), Pachyrhizus erosus and P. 

 tuberosus (see also Group III). 



Kudzu, Pueraria Mrsuta. 

 Oxalidacere, Wood-sorrel Family, 



Oka, Oxalis crenata. 

 Euphorbiacese, Spurge Family. 



Cassava, Manihot utilissima, 

 Tropseolacese, Tropseolum Family. 



Capucin, Tropwolum tuberosum. 

 Onagracefe, Evening Primrose Family. 



Evening primrose, (Enothera biennis. 

 tJmbellifera>, Parsley Family. 



Parsnip, Pastinaca sativa. 



Carrot, Daucus Carota. 



Skirret, Sium Sisarum. 



Tuberous chervil. Cheer ophyllum bulbosum. 



Celeriac, Apium graveolens var. rapaceum. 



Aracacha, Peruvian parsnip, Arracacia xantliorrhi~a. 



