Eustoma
(from eustomos, of beautiful countenance, eu, well, and stoma, a mouth; referring to the corollas). SYN. Arenbergia. ORD. Gentianeae. A genus containing only the two species here described. Flowers white, purplish, or blue, pedunculate. Leaves opposite, amplexicaul or sessile. The species are elegant little plants, closely allied to Lisianthus (which see for culture). E. exaltatum (exalted). fl. purple, corymbose; corolla with a funnel-shaped tube, which is contracted above the apex; segments crenated. July. l. spathulate. h. 2ft. South United States, 1804. Greenhouse herbaceous. (B. R. xxxi. 13.) E. Russellianum (Russell's). fl. lavender-purple, corymbose. July. l. ovate to lanceolate-oblong. Stem terete. h. 1ft. to 2ft. Nebraska to Texas, 1804. Hardy annual. (B. M. 3626.)