File:Interstate medical journal (1919) (14577478328).jpg

Identifier: interstatemedica2619unse (find matches)
Title: Interstate medical journal
Year: 1919 (1910s)
Authors:
Subjects: Medicine
Publisher: St. Louis, : Interstate Medical Journal
Contributing Library: The College of Physicians of Philadelphia Historical Medical Library
Digitizing Sponsor: The College of Physicians of Philadelphia and the National Endowment for the Humanities

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mless to others. Realizing the importance, from a hayfever standpoint, of destroy-ing weeds, or at least preventing them from reaching the pollinatingstage, many of the boards of health, both state and municipal, haveorganized active campaigns against weeds.2 The public generally iHayfever: Its Cause and Prevention. Wm. Scheppegrell (Jour. Am. Med.Assn., March 4, 1918). m _ . 2A Years Work in Havfever Prevention in the United States. W m. Scheppegrell(Jour. Am. Public Health Assn., Aug., 1917). Scheppegrell: Harmless Flowers and Hay fever Weeds 131 has supported these efforts, but, in some cases, has hesitated fromsentimental reasons, believing- that the golden rod, field daisies,and other flowers are included among the hayfever weeds. With aview of correcting this erroneous impression, the United StatesPublic Health Service published the following description of hay-fever weeds (July 21, 1916) :3 The characteristic of hayfeverweeds may be summarized as follows: (1) They are wind-pol-
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Fig. 3.—Evening Primrose. It is listed in some of the older text-books as ahayfever plant, but it is harmless. linated, (2) very numerous, (3) the flowers are inconspicuous,without bright colors or scent. Flowers that are fragrant or have bright colors are fertilized byinsects, and their pollen is not in the air as in the case of the hay-fever weeds, which are fertilized by the wind, and their pollen may 3Hayfever and Its Prevention. Wm. Scheppegrell (U. S. Public Health Reports,July 21, 1916). 132 INTERSTATE MEDICAL JOURNAL therefore reach the nostrils of hayfever subjects. This does notmean that the pollen itself of flowers may not be irritating to sensi-tive nostrils. In fact, the pollen of the golden rod, daisies, and manyother flowers contain a substance which may produce a reactionin sensitive subjects. These pollens, however, are not found in theair, as in the case of hayfever weeds, so that the irritation can becaused only on direct contact with these flowers. In the case of

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