Panama, near the Barbacoos station of the Panama Railway, in 
May, 1861. It is readily distinguished from all the other species 
_ of the genus, of which thirty-eight are described by Schlech- | 
_tendal in the twenty-fourth volume of the Linnea, by the ter- 
nate leaves, the cylindrical calyx of the male flowers, its glan- 
duliform lobes, and the spreading orbicular petals, which are of 
_arich scarlet colour. 
_ Fig. 1. Flower with petals unexpanded, showing the thickened lobes of the 
calyx. 2. Flower laid open, showing the two stamens :—magnified. 
