(Hooker et Arnott) Greene.
The dried leaves, with not more than 5 p. c. of stems, foreign matter.
Habitat. California, Northern Mexico; dry hills, mountains. Syn. Eriodict. Yerba Santa, Bear's-, Consumptive's- or Tar Weed, Mountain Balm, Gum Plant, Gum-bush. Er-i-o-dic'ty-on. L. fr. Gr.
a net - i. e., woolly, net-veined leaves.
Cal-i-for'ni-cum. L. californicus, California, of or belonging to California - i. e., its habitat.
Plant. - Evergreen shrub, 1-1.5 M. (3-5°) high; stem smooth, resinous; flowers 12 Mm. (1/2') long, bluish-purple, funnel-shaped, 5's,
Fig. 326. - Eriodictyon leaves, natural size: a, upper surface; b, under surface.
racemes. Leaves, lanceolate, 5-15 Cm. (2-6') long, 1-3 Cm. (2/5-1 1/5') broad, acute, base slightly tapering into short broad petiole, irregularly serrate, crenate-dentate; upper surface yellowish-green, covered with a more or less glistening resin; under surface yellowish-white, conspicuously reticulate with greenish-yellow veins; minutely tomentose between the reticulations; thick, brittle; odor aromatic; taste balsamic, 32 bitter, sweetish; usually in fragments. Powder, greenish-gray; microscopically - fragments with epidermal cells, glandular hairs, 1-celled stalks, 6-8-celled glandular heads, chloroplastids, non-glandular hairs, fragments of cork, bast-fibres, sieve tissues, tracheae, wood-fibres, pith. Solvent: alcohol (80 p. a). Dose, 3ss-l (2-4 Gm.).
Commercial. - Plant grows among rocks and presents a striking appearance from its shining resinous coating on all green parts.
Constituents. - Volatile oil .1 p. c, resin (complex, nearly soluble in ether) 30 p. c, triacontane, C30H62, pentatriacontane, C35H72, erio-dictyol, C15H12O6, homoeriodictyol, C16H14O6, phenol, C16H41O6, .23 p. c, glucose, phytosterol, tannin, gum.
Preparations. - 1. Fluidextractum Eriodictyi. Fluidextract of Erio-dictyon. (Syn., Fldext. Eriodict., Fluid Extract of Eriodictyon, Fluidextract of Yerba Santa; Fr. Extrait fluide d'Eriodictyon; Ger. Eriodictyonfluidextrakt.)
Manufacture: Similar to Fluidextractum Sabal, page 95; menstruum: 80 p. c. alcohol; reserve first 80 Ml. (Cc.). Dose, exv-60 (1-4 Ml. (Cc.)).
Unoff. Preps.: Aromatic Elixir, 6 p. c. (fldext.), + syrup 50, comp. elixir of taraxacum 44, magnesium carbonate 1, pumice 3, dose, 5j-2 (4-8 Ml. (Cc.)). Extract, dose, gr. 2-10 (.13-.6 Gm.). Syrup (made like syrup of tolu - pineapple odor and taste). Aromatic Syrup, 3.2 p. c. (fldext.), + potassium hydroxide solution 2.5, comp. tinct. of cardamom 6.5, oil of sassafras .05, oil of lemon .05, oil of clove .1, alcohol 3.2, sugar 80 Gm., magnesium carbonate .5, water q. s. 100; dose, 3j-2 (4-8 Ml. (Cc.)).
Properties. - Stimulating expectorant, bitter tonic.
Uses. - Bronchitis, asthma, to disguise bitterness of quinine.
Eriodictyon Tomento'Sum. Grows along with official, and differs in being larger and in having a dense coat of short villous hairs, which become whitish or rust-colored by age; corolla salver-form; leaves oval, obtuse.
Verbe'Na Hasta'Ta, Verbena, Blue Vervain. Verbenaceae; N. America. The dried overground portion - stem stout, .5-2 M. (18-80') high, square, rough, pubescent, leaves 7-15 Cm. (3-6') long, lanceolate, acute, serrate, lobed, deep green, petiolate; flowers panicles, spikes; corolla salver-form, 5-lobed, bright blue, didynamous; fruit 4-seeded, 4 nutlets at maturity; odor heavy, taste bitter, astringent, disagreeable; contains bitter glucoside, tannin; solvent: water. Diaphoretic, expectorant, nauseant, antiperiodic, similar to eupato-rium. Dose, gr. 15-30 (1-2 Gm.; fluidextract (dil. alc); infusion, 5 p. c.