Chimaph'Ila Umbella'Ta, Pipsissewa, Prince's Pine. Pyrolaceae. The dried leaves, official 1830-1910; N. America, Europe, Asia, dry woods. Perennial, evergreen herb, 10-25 Cm. (4-10') high; rhizome creeping, yellowish; flowers, terminal umbel, corymb, white tinged with red, fragrant. Leaves, near stem's apex, oblanceolate, 2.5-5 Cm. (1-2') long, 8-18 Mm. (1/3-3/4') broad, upper portion coarsely, sharply serrate, lower cuneiform, almost entire, coriaceous, dark green, paler beneath; odor slight; taste astringent, bitter; solvents: diluted alcohol, boiling water; contains chimaphilin, tannin, arbutin, ericolon, urson, volatile oil, resin. Astringent, tonic, diuretic, rubefacient (similar to buchu, uva ursi, pareira, scoparius); scrofula, rheumatism, dropsy, scanty urine, gravel, haematuria, gonorrhoea, skin affections, diarrhoea, gout; ulcers, tumors. Dose, gr. 15-60 (1-4 Gm.); decoction, 5 p. c, ℥j-3 (30-90 Ml. (Cc.)); extract,gr. 3-10 (.2-.6 Gm.); fluidextract (diluted alcohol), 3ss-l (2-4 Ml. (Cc.)); poultice.
2. C. macula'ta, Spotted Wintergreen (Pipsissewa). - The leaves, official 1830-1840; N. America. Herb, 7.5-15 Cm. (3-6') high, leaves 2.5-5 Cm. (1-2') long, 12 Mm. (1/2') wide, ovate-lanceolate, obtuse at base, toothed, upper surface variegated (spotted) with white along midrib and veins; flowers purplish-white.
3. Pyr'ola rotundifo'lia, Round-leaved Winter green; P. ellip'tica, Shin-leaf, and P. chloran'tha, Greenish-flowered Wintergreen. - These three have racemes of nodding wax-like flowers; leaves resembling and containing same as Chimaphila umbellata, and used similarly.