Identifier: americanmedicalp11810newy (find matches)
Title: American medical and philosophical register, or, Annals of medicine, natural history, agriculture and the arts
Year: 1810 (1810s)
Authors:
Subjects: Medicine History, 19th Century Medicine
Publisher: New York : Published for the proprietors by C.S. Van Winkle
Contributing Library: Francis A. Countway Library of Medicine
Digitizing Sponsor: Open Knowledge Commons and the National Endowment for the Humanities

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men you sent me,it will readily be recognised by the farmer into whose fieldsit may intrude itself, and thereby enable him to take thosemeas ures for its destruction which have been found by ex-perience to be the most effectual. * Root perennial, round, almost the thickness of the little finger, ofa dirty white colour, penetrating deeply, and creeping far and wide Stalk three feet or more in height, upright, somewhat branched,at the base round i-.nd somewhat wooly, above angular and smooth. Leaves sessile, alternate, lanceolate, cut in so as to be somewhatpinnatifid, the sides somewhat pressed together, sinuated, waved,and curled, spinous, above smooth, green, beneath paler, scarcelyvillous, the uppermost ones almost entire. Flowers middle-sized, of a pale purple colour, very fragrant. Flower-stalks leafy, one or two flowered, above somewhat woolly. Calyx common to all the Jlorets, ovate, contracted at top, imbricated,the scales numerous, pressed, close, lanceolate, shaip at the back,
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Linfy /^ t Hosack on the Canada Thistle. 213 terminated bj a pointed appendage, purplish, points turning a lit-tle back, and mjld. Corolla compound, tubular, uniform, all the Jlorets hermaphrodite,nearly equal, monopetalous, funnel-shaped, the tube very slender,the limb divided into four, linear, reflexed seg-ments, one moredeeply divided than the rest. Stamina: five capillary //a/nen^s, very short and white: antherteunited into a cylinder, shorter than the corolla, the mouth five-toothed, the teeth white at the tips. PisTiLLUM . German ovate, compressed; style filiform, longer thanthe stamina, of a whitish red colour : stigma obtuse, finally bifid. Seeds linear, slightly four cornered: c?ow7i, feathered, sessile. Receptacle hairy, hairs glossy.* After this minute description of the plant, Mr. Curtismakes the following observations upon the means of des-troying it, We have bestowed on this plant the harsh name ofcursed^ with a view to awaken the attention of the agricul-turalist to it

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