RICHARDSONIA. 



895. R. rosea Aug. de St. Hil. pi. us. bras. t. 7. DC.prodr. 

 iv. 568. — R. emetica Mart. spec. mat. med. bras. 11. t. 9. f. 19. 

 — Brazil, in sandy places in the provinces of St. Paulo, Rio 

 Janeiro, and the Mines. 



Stems spreading, round, a span long, hispid with white spreading 

 hairs. Leaves short-stalked, ovate-lanceolate, cuneate at the base, 

 slightly hairy, with a short acute point. Stipules very hairy. Flowers 

 pink, arranged in a hemispherical, terminal head, surrounded by about 

 4, ovate-acuminate, cordate leaves. Calyx hispid, with linear acute 

 ciliated segments. Corolla 3 times as long as the calyx, ventricose, 

 funnel-shaped, with 6 ovate triangular acute spreading segments which 

 are hairy at the points. — Von Martius speaks highly of the excellence 

 of the root of this plant as an agreeable emetic in doses of 1 or 2 

 drachms. 



CAPRIFOLIACE.E. 



Nat. syst. ed. 2. p. 247. 



TRIOSTEUM. 



Calyx with an ovate tube and a 5-parted permanent limb, with 

 linear-lanceolate permanent segments. Corolla gibbous at the 

 base, almost equally 5-lobed, tubular, longer than the calyx. 

 Stamens 5, inclosed. Stigma oblong, thick. Berry coriaceous, 

 obovately triquetrous, crowned by the calyx, 3-celled, 3-seeded. 



896. T. perfoliatum Linn. sp. pi. 250. Bigelow med. bot. i. t. 9. 

 DC. prodr. iv. 330. — United States, borders of woods, rare ; 

 called " Fever Root" and " Wild Ipecac." 



Root perennial, subdivided into numerous horizontal branches. Stem 

 erect, hairy, fistular, round, from 1 to 4 feet high. Leaves opposite, 

 the pairs crossing each other, ovate-lanceolate, acuminate, entire, rather 

 flat, abruptly narrowed at the base into a winged petiole, and more or 

 less connate. Flowers axillary, sessile, 5 or 6 in a whorl, the upper 

 ones generally in a single pair. Each axil is furnished with 2 or 3 linear 

 bractes. Calyx 5-parted ; segments spreading, linear, coloured, unequal, 

 persistent. Corolla tubular, curved, dull brownish purple, covered with 

 minute hairs, its base gibbous, its border open and divided into 5 

 rounded, unequal lobes. Stamens 5, inserted on the tube of the corolla, 

 hairy, with oblong anthers. Ovary inferior, roundish ; style longer 

 than the corolla; stigma peltate. Fruit oval, baccate, of adeep orange 

 yellow, hairy, somewhat 3-sided, crowned with the calyx, containing 3 

 cells and 3 hard bony, furrowed seeds. — Bark of the root emetic and 

 cathartic ; leaves diaphoretic. The efficacy impaired by age ; should 

 be kept in closely stopped jars, and renewed annually. 



SAMBUCUS. 



Limb of calyx 5-cleft. Corolla rotate, urceolate, 5-cleft. 

 445 



