. 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. July-Aug. 22. Potamogeton obtusifolius Mert. & Koch. Blunt-leaved Pondweed. Fig. 195. Potamogeton compressus Wahl. Fl. Suec. i: 107. 1824. Not L. 1753. Potamogeton obtusifolius Mert. & Koch, Deutsch. Fl. 1: 855. 1823. Stems usually slender, compressed, widely branch- ing, especially above. Leaves linear, 2'-$' long, ¥'-2" wide, obtuse, often mucron
. An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. July-Aug. 22. Potamogeton obtusifolius Mert. & Koch. Blunt-leaved Pondweed. Fig. 195. Potamogeton compressus Wahl. Fl. Suec. i: 107. 1824. Not L. 1753. Potamogeton obtusifolius Mert. & Koch, Deutsch. Fl. 1: 855. 1823. Stems usually slender, compressed, widely branch- ing, especially above. Leaves linear, 2'-$' long, ¥'-2" wide, obtuse, often mucronate, usually 3-nerved with a broad midrib, sometimes 5-7-nerved, 2-glandular at the base, the glands large and translucent; stipules white or scarious, many-nerved, obtuse, 6"-o/' long; often as long as or longer than the internodes; peduncles numerous, i'-il' long, slender, erect; spikes 3"-4" long, ovoid, 5-8-flowered; fruit obliquely obo- void, about il" long and 1" thick, 3-keeled; style short, blunt, nearly facial. In still water, Quebec to Minnesota, south to northern New York and Kansas. Also in Europe. 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
