File:American medical botany- being a collection of the native medicinal plants of the United States, containing their botanical history and chemical analysis, and properties and uses in medicine, diet and (14760542601).jpg

Identifier: 2543055RX3.nlm.nih.gov
Title: American medical botany: being a collection of the native medicinal plants of the United States, containing their botanical history and chemical analysis, and properties and uses in medicine, diet and the arts, with coloured engravings (Volume 3)
Year: 1817 (1810s)
Authors: Bigelow, Jacob, 1786-1879 Annin, William B., 1791?-1839, engraver Coxe, John Redman, 1773-1864, former owner Annin & Smith, engraver Cummings and Hilliard, publisher Hilliard and Metcalf, printer
Subjects: Plants, Medicinal Phytotherapy
Publisher: Boston : Published by Cummings and Hilliard, at the Boston Bookstore, no. 1, Cornhill
Contributing Library: U.S. National Library of Medicine
Digitizing Sponsor: Open Knowledge Commons, U.S. National Library of Medicine

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lare used as a sort of caustic to destroy warts.The gum, called Euphorbium, produced by theEuphorbia oflicinarum, is a strong vesicatory,employed by farriers, and sometimes used toadulterate the plaister of Cantharides. Theblistering power of E. corollata has been statedby Dr. Zollickoffer. This active genus of plantsdeserves a thorough investigation with a view totliis particular property, to determine whetherthey are safe and manageable vesications, orvirulent and uncertain. 128 EUPHORBIA COROLLATA. BOTANICAL REFERENCES* Euphorbia corollata, Linn.—Willd. ii. 916.—Michaux, ii. 210,—Pursh, ii. 607.—Tithymalus ijiarianus, &c.—Plukenet, Mant.182. t. 446./. 2. MEDICAL REFERENCES. Clayton, Philosophical transactions abridged, viii. 331.—Zol-lickoffer, Materia Medica. Baltimore, 1819. PLATE LIII. Fig. 1. Euphorbia corollata, the top of a plant ratlier below the common size.Fig. 2. Barren flower.Fig. 3. Calyx not fully expanded.Fig. 4. Stamen.Fig. 5. Fertile flower. //, /.//
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~>^ ■A//,, POLYGALA RUBELLA. Bitter Polygala. PLATE LIV. JLhis plant is interesting from the curiousmanner in which a part of the fruit is produced,by a kind of imperfect flower growing close to,and in some instances under, the surface of theground. It is not the only species of the Polygalawhich has this peculiarity. I have often observedlittle shoots at the root of P. paucifolia, one of themost beautiful of the genus, bearing apterousflowers and subterranean fruit, precisely likethose represented in our plate. The P. polygama,of Walter and Pursh, if, indeed, it is a distinctspecies, has the same remarkable mode of growth.It is difficult to imagine what end is attained bynature in this singular arrangement, by which apart of the seeds are ripened in the sun, whilethe rest, like the fruit of Arachis hypogaja, is 130 polygaLa rubella. buried from the light. To the eye there is nodifference between seeds taken from the upper orlower racemes of the plant. It would be worthwhile to a

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