late, petiolate, serrated, those of the stem almost cordate, 
opposite, acute, concave, amplexicaul. Peduncles axillary, 
opposite and terminal, bearing three to four, subumbellate 
flowers, with two ovate leaves or bracteas at their base. 
Calyx of five deep, unequal, hairy segments. Corolla large, 
bluish-purple, glanduloso-pubescent, the tube ventricose, 
two-lipped, the lips standing forward, upper two-lobed, the 
margins reflexed, lower in three nearly equal lobes. Anthers 
two-lobed, the lobes pointing downwards, blue : rudiment- 
ary stamen subspathulate, glabrous. Capsule glabrous, as 
long as the persistent calyx. 
Fig. 1. Sterile Filament —magnified. 
