Malvales.] 



TROPiEOLACE^. 



367 



be regarded as an approach to Rueworts on the one hand, and Nolanads on the other, 

 because of its deeply lobed pistil ; but this is probably a similarity of but little importance! 



All ai'e natives of the temperate pai'ts of North and 

 South America. 



The fleshy finiit of Tropceolum majus is acrid, and 

 possesses the properties of Cress ; and De Candolle 

 remarks, that the caterpillar of the Cabbage butterfly 

 feeds exclusively upon Crucifers and Tropa3olum. 

 The root of T. tuberosum is eaten in Peru. Chymo- 

 carpus is used in Brazil as an antiscorbutic, xmder 

 the Portuguese name of Chagas da INIiuda. Lim- 

 nanthes has all the pecuhar pungency of a Tropseolum. 



GENERA. 



I. Trop.eole^. — Flow- 

 ers irregular. ON'ules 

 pendulous. 



Tropaeolum, L. 

 Magallana, Cav. 

 Chj-mocarpus, Don. 



II. LlM.VAVTHE^. — 



Flowers regular. 0\niles 

 erect. 



Limnanthes, R. Br. 

 Florkea, W. 



Numbers. Gen. 5. Sp. 43. 



Fig. CCLV. 



Gcrardacece. 

 Position. — ViA^ianiaceae. — Trop^eolace-e. 

 NolanacecB. 



Fig. CCLV.— Flower of Tropsolum majus, showing the spur. 



