Semina plura, oblonga, compressa, marginata.
Empalement. Cup one-leafed, above, bell-shaped, five-toothed, and remaining.
Blossom one petal, funnel-shaped, and five-parted.
Chives. Threads 5, small: tips oblong, within the mouth of the blossom.
Pointal. Seed-bud nearly round, beneath. Shaft the length of the corolla. Summit thickish, oblong, and simple.
Seed-vessel. Capsule oblong, in two parts, crowned by the cup, the two parts cleaving together; the inner parts gaping, with equal dissepiment.
Seeds many, oblong, compressed, and emarginated.
SPECIFIC CHARACTER.
Cinchona foliis alternatis, ovatis, acuminatis, integerrimis, glabris, venosis: inter folia stipula parva, cauli adpressa: floribus axillaribus, simplicibus, albicantibus, glabris, odoratissimis. Rami alternati, oppositi.
Habitat in Caribæis: succedaneum cortici Peruviano.