Chimaph'ila umbella'ta, Chimaphila, Pipsissewa, Princes' Pine. -- The dried leaves with not more than 5 p.c. of stems or other foreign organic matter; N. America, Europe, Asia -- dry woods. Perennial evergreen herb, 10-25 Cm. (4-10') high; rhizome creeping, yellowish; flowers terminal umbel, eorymb, white tinged with red, fragrant. Leaves, oblanceolate, 2.5-7 Cm. (1-3') long, 8-20 Mm. (1/3-4/5') broad, upper portion coarsely, sharply serrate, obtuse, lower cuneiform, nearly entire, coriaceous, dark green, paler beneath; odor slight; taste astringent, bitter. Powder, greenish-brown--epidermal tissue, stomata, palisade and spongy parenchyma with chloroplastids, tracheae, reddish amorphous substance, calcium oxalate rosettes, starch grains, few stem and root-stock fragments; solvents: diluted alcohol, boiling water; contains chimaphilin, tannin, arbutin, ericolin, urson, volatile oil, resin. Astringent, tonic, diuretic (similar to buchu, uva ursi, pareira, scoparius), rubefacient; scrofula, rheumatism, dropsy, scanty urine, gravel, hematuria, gonorrhea, skin affections, diarrhea, gout, ulcers, tumors. Dose, gr. 15-60 (1-4 Gm.); 1. Fluidextractum Chimaphilae (diluted alcohol), dose 3ss-1 (2-4 cc.); 2. Fluidextractum Stillingiae Compositum, 12.5 p.c.: Prep.: 1. Syrupus Stillingiae Compositus, 25 p.c. Decoction, Extract.

C. Macula'ta, Spotted Wintergreen (Pipsissewa). -- The leaves, U.S.P. 1830; 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.

Chimaphila umbellata: upper part of flowering stem.