. The drug plants of Illinois . ASPARAGUS OFFICINALIS L. Asparagus. Liliaceae. Root and seed collected. Grown com- mercially in several regions, also an occa- sional escape from gardens in all parts of the state. Contains asparagine. Used as a diuretic and aperient. ASPIDIUM MARGINALE (L.) Sw. Male fern, leatherwood fern, shield fern. Polypodiaceae. U. S. P. XI, p. 246.—An herbaceous, evergreen fern 1 to 2 feet tall, perennial; rhizome densely covered with glossy brown chaff, 3 to 6 inches long, I/2 to 1 inch thick, with stipe remnants 2 to 3 inches in diameter; stipes chaffy at the base; fron
. The drug plants of Illinois . ASPARAGUS OFFICINALIS L. Asparagus. Liliaceae. Root and seed collected. Grown com- mercially in several regions, also an occa- sional escape from gardens in all parts of the state. Contains asparagine. Used as a diuretic and aperient. ASPIDIUM MARGINALE (L.) Sw. Male fern, leatherwood fern, shield fern. Polypodiaceae. U. S. P. XI, p. 246.—An herbaceous, evergreen fern 1 to 2 feet tall, perennial; rhizome densely covered with glossy brown chaff, 3 to 6 inches long, I/2 to 1 inch thick, with stipe remnants 2 to 3 inches in diameter; stipes chaffy at the base; fronds leathery, bipin- nate; pinnae lanceolate, broadest at the base, their segments (pinnules) oblong, obtuse, entire; sori rather large, nearly marginal. The rhizome only collected, from July through September; must be carefully cleaned, but not washed, dried rapidly in the shade, and marketed at once. Com- mon in woods on rocky hillsides from Kane and Henderson counties southward. Contains an oleoresin which yields filicin. Used as a vermifuge for tapeworm. [Aspidium Filix-mas (L.) Sw., male fern, is the official plant {U. S. Pharmacopoeia XI, p. 76). It does not, however, occur in Illi- nois.] AVENA SATIVA L. Oats. Gramin- eae. The inflorescence and grain collected. Grown in large acreages throughout the state as a farm crop. Contains starch, a protein, and avenin. Used as a stimulant and nutrient.
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