. Plants and their uses; an introduction to botany . Fig. 162. — Licorice (Glyc-yrrhiza glabra. PulseFamily, LeguminosoE).Branch in leaf, flower,and fruit. (Baillon.) —Perennial herb growingabout 1 m. or more inheight; leaves pale green:flowers violet or purpleresembling those of apea; fruit smooth. Na-tive home, Mediter-ranean Region. 170 MEDICINAL AND POISONOUS PLANTS Volatile oils form the most important constituent of anumber of non-poisonous drugs which we have ah-eady stud-ied in the last chapter as food-adjuncts; namely, lemon,caraway, anise, cardamoms, spearmint, sage, ginger, and. Fig
. Plants and their uses; an introduction to botany . Fig. 162. — Licorice (Glyc-yrrhiza glabra. PulseFamily, LeguminosoE).Branch in leaf, flower,and fruit. (Baillon.) —Perennial herb growingabout 1 m. or more inheight; leaves pale green:flowers violet or purpleresembling those of apea; fruit smooth. Na-tive home, Mediter-ranean Region. 170 MEDICINAL AND POISONOUS PLANTS Volatile oils form the most important constituent of anumber of non-poisonous drugs which we have ah-eady stud-ied in the last chapter as food-adjuncts; namely, lemon,caraway, anise, cardamoms, spearmint, sage, ginger, and. Fig. 163.—Medicinal Rhubarb (Rheum officinale, Buckwheat Family,Polygonacece). Plant in flower. .4, flower, entire, enlarged. B, same,cut vertically. C, pi-stil; d, nectar glands. (Baillon.)—Perennialherb growing 2 m. tall; leaves hairy; flowers greenish; fruit, dry, red-dish. Native home, Central Asia. hops. The drugs calamus, asafetida, and saffron are the onlyothers of class which call for mention here. Calamusconsists of the underground stem of the sweet-flag (Fig. 167).It contains about 1% of a volatile oil to which it owes NON-POISONOUS DRUGS 171
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
