acuminate, the upper smaller, (and usually bearing 
flowers in the axils, seem gradually to become bracteas) 
decidedly cordate; all of them more or less toothed. 
Flowers sessile, solitary from each of the upper leaves or 
bracteas. Germen short, cylindrical, slightly furrowed, 
hairy. Tube of the calyx an inch and a half or more long, 
slender, yellow-green, enlarged upwards : its limb reflexed, 
Separating into four segments, or combined. Corolla large, 
yellow, handsome : petals roundish, much puckered. Style 
longer than the stamens. Stegma of four rays. 
Fig. 1. Part of the Calyx laid open. 2. Pistil :—magnified. 
