. Bulletin. 1901-13. Agriculture; Agriculture. 14 AMERICAN MKDICINAI. AND IIKRHS. KVEXIXG PRIM ROSE. Ofnothrra biennis L. Sijnoni/ms.—Onacjra biennis (L.) Scoj).; Oenothera muricata L. Other common names.—Common evening primrose, wild evening jirimrfwe, field evening primrose, tree primrose, fever plant, night willow-hf^rb, king's mre-all,' large rampion, seurvish, scabish. Habitat and range.—This is a widely distributed herb, its rangp extending from Labrador south to Florida and west to the Rocky Mountains. It usually frequents fields and waste places, oc- rurring in dry soil.
. Bulletin. 1901-13. Agriculture; Agriculture. 14 AMERICAN MKDICINAI. AND IIKRHS. KVEXIXG PRIM ROSE. Ofnothrra biennis L. Sijnoni/ms.—Onacjra biennis (L.) Scoj).; Oenothera muricata L. Other common names.—Common evening primrose, wild evening jirimrfwe, field evening primrose, tree primrose, fever plant, night willow-hf^rb, king's mre-all,' large rampion, seurvish, scabish. Habitat and range.—This is a widely distributed herb, its rangp extending from Labrador south to Florida and west to the Rocky Mountains. It usually frequents fields and waste places, oc- rurring in dry soil. —The even- ing primrose is a coarse an- nual or biennial weed, which has the peculiarity that its flowers do not open until evening, remaining open all night and closing the next morning, but not cxpandingagain. Itisgen- erally stout and erect in growth, from 1 foot to about 5 feet in height, simple or branched, usually hairy and leafy. The leaves are 1 to fiinchesin length, lance shaped and sharp pointed at the top, %vith wavy toothed margins narrowing toward the base. With the exception of some of the leaves near the base, most of them are stemless. The .«pikes of fragrant sulphur- yellow fJowers are produced from about June to October and, as already stated and . as indicated by the name "evening"' primrcse, they are open late in the evening andduringthenight. They are borne at the end of the stem and are interspersed with leafy bracts. Each flower has four spreading petals and measures about 1 to 2 inches across. The seed capsules are oblong and hairy, aboiit an inch in length, and narrowed at the top. (Fig. 6.) This plant belongs to the evening primrose family (Onagracese). Collection, prices, and ?/.ses.—The entire plant is used. It is collected about flower- ing time, bringing about 5 cents a pound. The herb has a somewhat astringent and mucilaginous taste, but no odor. It has been u.«ed for coughs and asthmatic troubles, and an ointment made
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