112 PAPILIONACE^. 



three, Vz inch long, all sessile, obcordate or obovate 

 cuneate, notched, glabrous on the upper, sparingly 

 pubescent with coarse hairs on the under side and round 

 the margin : stipules acute. Peduncles longer than the 

 leaf-stalks, usually one, but occasionally two-flowered, 

 with a pair of small bracteoles ^ inch below the flower. 

 Calyx companulate of four-lobes (by union of the two 

 upper teeth as shown by a small notch in the upper lobe) 

 lowest tooth much the largest. Standard petal reflexed, 

 blue, obovate with a short claw : keel abruptly inflexed, 

 narrow, white. Style glabrous : stigma capitate, even- 

 tually exserted beyond the keel. Pedicels after flower- 

 ing reflexed. Pod ?4 by ^ inch, straight, opening by 

 both margins. Seeds seven or more, ovate with hilum 

 notch in the middle of one side. t. 83. Wight Ic. 483. 



Very common on damp ground, in the open and round the 

 edges of sholas ; in and near Ootacamund and on the Kodai- 

 kanal downs. Not at much lower levels nor on the ghats to 

 the north. Fpon 1909. Bourne 596. 



Distributed widely over the higher mountains of tropical Asia, the 

 Himalayas from Simla to Assam, the mountains of Burma, Java, etc. ; and 

 of Africa and Zambesi land. The only species of its genus. 



Navied from the Greek ochetos, a drain^ conduit or river-bed, because 

 found in damp places. [ C. F.S. ] 



INDIGOFERA. f.b.i. 50 xvii. 



Indigo, etc. 

 A large tropical genus distinguished by a more or 

 less dense covering of white hairs closely appressed to 

 the surface and attached by the middle not at one end 

 by minute points at the top of the anthers ; and by a 

 continuous not jointed pod containing usually several 

 seeds. Leaves in the majority of species pinnate (in 

 one of ours three-foliate). Corolla generally pink and 

 quickly falling ; keel petals with a spur on the outer 

 side near the base. Stamens diadelphous. 



