What people are saying - Write a review
We haven't found any reviews in the usual places.
Chapter Page I The Scope of Pharmacognosy
The Development and Present Position of the London Drug Trade
36 other sections not shown
Other editions - View all
acetate alcohol alginate alkaloids aloes bark belladonna bitter boiling brown bundles calcium oxalate cambium cassia cellulose cent Characters.—The chemical cinchona cinnamon clove collected colour consists constituents contains cork cortex cotton crystalline crystals cultivated derived diameter Digitalis distillation dried drug drying endodermis endosperm enzyme epidermis extract Family fibres fixed oil flowers fluorescence fruits genera glucose glycosides grains hairs hydrochloric acid hydrolysis hyoscyamine Indian insoluble iodine isolated known layer leaf leaves lignified longitudinal medicine medullary rays Microscopical mucilage obtained occurs odour opium outer parenchyma pericarp pericyclic Pharm Pharmacognosy Pharmacol Pharmacopoeia phloem plants powder prepared present produced protein pulp reddish-brown resin rhizome rhubarb roots saponins seeds senna shows sodium soluble solution species starch stem stomata stone cells structure substances sugars sulphuric acid surface tannin taste testa tissue transverse section trees trichomes usually varieties vessels volatile oil walls wood wool xylem yellow yields