there chiefly sinuato-lobate, the rest of the margin entire and 

 snbciliate, with rather distant hairs ; the opposite half of the 

 leaf is, near the base, cut off as it were obliquely. Petiole* 

 stout, two to four inches long. The superior leaves bear axillary 

 peduncles, which terminate in many subdi- or -trichotomous 

 panicles. Flowers an inch in length, and as much in diameter. 

 Calyx pubescent, subrotate, of five, acute, deep segments, with 

 the sinuses produced into a large spreading or subreflexed tooth. 

 Tube of the corolla wide, rather short, white, tinged with purple 

 and pale yellow ; limb spreading, two-lipped, upper lip two- the 

 lower three-lobed, pale-purple, the throat white, with a broad 

 heart-shaped deep-yellow spot on the lower side. Stamens quite 

 included. Filaments short, flexuose. Anthers connivent, cor- 

 date, hirsuto-glandulose. Ovary globose, glandular. Style 

 scarcely longer than the ovary. Stipna oblique, two-lobed. 



Fig. 1. Calyx and pistil. 2. Base of the corolla laid open, including the 

 stamens. 3. Transverse section of the ovary : — magnified. 



