ESSENTIAL GENERIC CHARACTER.
Calyx monophyllus. Corolla monopetala. Capsula bivalvis, unilocularis, receptaculis duobus longitudinalibus.
Empalement one-leafed. Blossom one petal. Capsule two-valved, one-celled, with two longitudinal receptacles.
SPECIFIC CHARACTER.
Gentiana corollis quadrifidis, marginibus fimbriatis, colore cæruleo, in sole tantùm expandentibus, spithamæis: foliis ovato-acuminatis, oppositis, alternatis.
Habitat in America boreali.
Gentian with blossoms four-cleft, and fringed margins, of a blue colour, expanding only in the sun, a span high, with ovate-pointed leaves opposite and alternate.
Native of North America.
REFERENCE TO THE PLATE.
1. The empalement.
2. A blossom spread open.
3. Seed-bud and pointals.
4. The same spread open.