. Plants and their uses; an introduction to botany . Fig. 166.—Club-moss (Lycopodium clavClub-moss Family, Lycopodiacea). 1,plant in fruit. 2, spore-case, ?with thescale-like leaf which bears it. 3, spores,highly magnified. (\\ossicilo.)—A creep-ing evergreen with somewhat moss-likeleaves, and stem attaining a length of1 m. or more; spore-bearing cones yel-lowish; spores sulphur-yellow. Nativehome. Northern America and Eurasia. 167.—Sweet-flag (Acorus Calamus, Arum Family, Aracece). A, plantin flower, much reduced. B, flower-cluster, natural size. C, flower,with perianth spread, *. D, floral d
. Plants and their uses; an introduction to botany . Fig. 166.—Club-moss (Lycopodium clavClub-moss Family, Lycopodiacea). 1,plant in fruit. 2, spore-case, ?with thescale-like leaf which bears it. 3, spores,highly magnified. (\\ossicilo.)—A creep-ing evergreen with somewhat moss-likeleaves, and stem attaining a length of1 m. or more; spore-bearing cones yel-lowish; spores sulphur-yellow. Nativehome. Northern America and Eurasia. 167.—Sweet-flag (Acorus Calamus, Arum Family, Aracece). A, plantin flower, much reduced. B, flower-cluster, natural size. C, flower,with perianth spread, *. D, floral diagram. E, ovary, cut vertically, Y,F, ovule, much enlarged. (Luerssen.)—Perennial herb about 60 ; flowers greenish; fruit fleshy, reddish. Native to North Americaand Europe. NON-POISOXOUS DRUGS 175 much too much. The opposite effect upon us of the samesubstance accorchng as it acts in larger or smaller amount iswell illustrated also in very many perfumes, and, as we shall. Fig. 168, I.—Asafetida Plant (Ferula assa-foetida. Parsley Family, Um-bcUifercr). Plant in flower, and part of leaf. (Baillon.)—Perennialherb growing about 2-3 m. tall, with a hiilky juice of fetid odor;leaves bluish green; flowers pale yellow; fruit reddish brown. Nativehome, Southwestern Asia. more fully show, in a large proportion of medicines. Saffronconsists of the dried stigmas of the saffron crocus (Fig. 168 II).It contains about 7%. of a volatile oil of agreeable flavor,and a small amount of a deep yellow coloring matter which 17() MEDICINAL AND POISONOUS PLANTS however is of remarkable strength. One part of saffronshaken up with 100,000 j^arts of water gives a distinct jellowtinge. The principal use of the drug is to impart an attractivecolor and fiavor to modicinal i)reparations. Most of the
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
