. An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. Genus 4. RAGWEED FAMILY. 345 3. Xanthium echinatum Murr. jieach Clotbur. Fig. 4134- X. echinatum Murr. Cotnm. Goett. 6: 32, pi. 4. 1783. X. macuiatum Raf. Am. Month. Mag. 344. 1818. X. oviforme Wallr. Beitr. Bot. 1: 240. 1842. Stem rough, purplish or purple-blotched, l°-2° high. Leaves firm, scabrous, with scattered short papillose hairs, obtusely toothed and l
. An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. Genus 4. RAGWEED FAMILY. 345 3. Xanthium echinatum Murr. jieach Clotbur. Fig. 4134- X. echinatum Murr. Cotnm. Goett. 6: 32, pi. 4. 1783. X. macuiatum Raf. Am. Month. Mag. 344. 1818. X. oviforme Wallr. Beitr. Bot. 1: 240. 1842. Stem rough, purplish or purple-blotched, l°-2° high. Leaves firm, scabrous, with scattered short papillose hairs, obtusely toothed and lobed, somewhat resinous- glandular beneath; burs commonly clustered in the axils, ovoid to oval, y"-n" long, 4"-6" thick, glandular; prickles very dense, densely hispid from the base to the middle or beyond, subulate, hooked, the longer about 2k" long, and about equalling the stout hispid beaks. Sea, lake and river beaches, occasionally in waste grounds, North Carolina to Nova Scotia, New York, Minnesota and North Dakota. Recorded west to Saskatchewan. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Britton, Nathaniel Lord, 1859-1934; Brown, Addison, 1830-1913. New York, Scribner
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
