FABACEiE. 



161 



the pots should be well drained, for they are injured by too 

 much water. 



INDIGOEERA. 



Gen. Char. (Diadelphia Decandria.) Calyx spreading ; keel with 

 a spreading, awl-shaped spur on each side. 



The word means a plant bearing indigo, the dye so called 

 being obtained from several species of this genus. There 

 are a considerable number of species introduced into the 

 stove, and a few very ornamental, into the greenhouse. 

 7. amoena has scarlet flowers ; filifolia and frutescens, red, 

 juncea, heterotricha, lotoides, and several others, rose-co- 

 loured ; these are Cape plants ; Dosna is a pretty species from 

 Nepaul, with rose-coloured flowers ; monopliylla, purple ; 

 sylvatica, rose-lilac; Australis, lilac-flowered, from Australia; 

 atrqpurpurea has dark flowers, in racemes two or three 

 inches long, from Nepaul ; there are also alba, decora, flori- 

 bunda, purpurea, and stachyodes, all desirable species for the 

 greenhouse. 



KENNEDYA. 



Gen. Char. {Biadelphia Decandria.) Calyx two-lipped, upper 

 VOL. II. M 



