described. It belongs to the Isicas, whose distinctive charac- 
ter resides in their having the twin ovaries completely united, 
so that when the fruit is ripe all trace of its two-fold origin 
disappears. It is a slender plant with deep purple branches, 
quite smooth leaves, and very long stalked pale yellow flowers 
stained with purple. It may be defined in the following 
terms. 
L. (Isica) discolor ; glaberrima, foliis petiolatis oblongis acutis 
subtüs glaucis, pedunculis foliis dimidio brevioribus, 
calyce 5-dentato glandulis ciliato, corolle tubo hinc 
valdé convexo discolore limbo multd breviore. 
