tube yellow externally; lobes linear-oblong, acute, golden- 
yellow at the base, the yellow forming a defined triangular 
mark; scales at the base of the tube of corolla six, forked. 
Stamens with yellow filaments. Stigma minutely three- 
lobed.— J. D. H. 
Fig. 1. Flower, with the perianth-segments removed. 2. Base of peri- 
anth-tube and scales. 3. Transverse section of ovary :—all magnified. 
