162 CAPRIFOLIACEyE. 



DIERVILLA.— BuHii-HoNKYSUCKi.E. 



Diervilla trifida Muenchausen. — Bush- Honey suckle. 



Deacriplion. — Calyx4ube attenuated at the summit, its limb 5-partecl, 

 the lobes linear or awl-sliapetl, persistent. Corolla funnel-formed, the limb 

 5-cleft, regular, or slightly 2-lipped, greenish-yellow, about three-fourths 

 of an inch long. Stamens 5. Ovary 2-celled ; stigma peltate-capitato. Pod 

 ovoid-oblong, pointed, 2-celled, 2-valved, septicidal, many-seeded. 



An upright shrub, 2 to 4 feet high. Leaves 2 to 4 inches long, oblong- 

 ovate, acuminate, serrate, on short petioles. Peduncles axillary or ter- 

 minal, 1- to 3-flowered. The Howors appear from June to August. 



Habitat. — Pioclcy woods from Canada to the mountains of North Caro- 

 lina. 



Farts Used. — The root, leaves, and twigs — not official. 



Constituents. — Unknown. 



Preparations. — It is commonly employed in infusion. 



Medical Properties ana Uses. — Said to be diuretic, astringent, and altera- 

 tive, and to have been used successfully in nephritic and calculous affec- 

 tions, in gonorrhoia, and inflammation of the bhidder with gravelly deposit. 

 If it were not alsc said to be curative in syphilis, one might possibly have 

 some faith in its medicinal virtue. As, however, the latter statement is just 

 as authci'itative as the former, the whole subject is left in doubt. 



TRIOSTEUM.— Feverwort. • 



Triosteum perfollatum Linno. — Feverwort, Horse- Gentian, Wild 

 Ipecac. 



Description. — Calyx-tube ovoid, its limb 5-parted, the segments linear- 

 lanceolate, leaf-like, persistent. Corolla tubular, somewhat gibbous at the 

 base, almost equally 5-lobed, about as long as the calyx, bipwnish-purple. 

 Stamens o. Ovary commonly 3-celled, with a single suspended ovule in 

 each cell ; style slender. Fruit a rather dry drupe, 3-angled, 3-seedcd. 



An herbaceous perennial, with a thick, fleshy root. Stem 2 to 4 feet 

 high, stout, simple, softly hairy. Leaves opposite, cuneate at the base, 4 

 to 7 inches long, 2 to 4 inches wide, oval or ovate, acuminate, abruptly 

 narrowed below, hairy above, velvety-pubescent beneath. Flowers axillary, 

 sessile or nearly so, solitary or clustered, appearing in June. 



Habitat. — In rich woodlands from Canada to the mountains of North 

 Carolina and westward. 



Part Used. — The root — not official. 



Constituents. — Unknown. 



Preparations. — Triosteum yields its virtues to water and alcohol, and 

 may be administered in infusion or tincture. 



