PLATE 



SUMATRANA INDIGO. 



1, a flowering branch. 2, an inflorescence. 3, a ripe pod. 4, a bud. 5, an opening bud. 6, a flower just 



before an insect visit. 7, a sprung flower 8 the carina seen from above. 9, side view of the carina. 10, the 



position of the leaflets at midday. 11, the night position. 



