. 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. 4. Panicum dichotomifldrum Michx. Spreading Witch-grass. Fig. 314. Panicum dichotomiflorum Michx. Fl. Bor. Am. 1: 48. 1803. Panicum geniculatum Muhl. Gram. 123. 1817. Culms at first erect, i°-2° tall, simple, later de- cumbent and geniculate, 4°-6° long, branched at all the upper nodes. Sheaths loose, glabrous, some- what flattened; ligule ciliate; blades 6-2°
. 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. 4. Panicum dichotomifldrum Michx. Spreading Witch-grass. Fig. 314. Panicum dichotomiflorum Michx. Fl. Bor. Am. 1: 48. 1803. Panicum geniculatum Muhl. Gram. 123. 1817. Culms at first erect, i°-2° tall, simple, later de- cumbent and geniculate, 4°-6° long, branched at all the upper nodes. Sheaths loose, glabrous, some- what flattened; ligule ciliate; blades 6-2° long, 2"-io" wide, long-acuminate, scabrous on the mar- gins and occasionally on the nerves; panicle pyram- idal, 4'-i6' long, lower branches 3'-6' long, at length widely spreading; spikelets i"-ii" long, crowded, lanceolate, acute, glabrous, sometimes purplish; first scale about one-fourth as long as the spikelet, enclosing its base; second and third scales about equal, acute, 5-7-nerved; fourth scale elliptic, shining, shorter than or equalling the third. In wet soil, Maine to Nebraska, Florida, Texas and California. Also in the West Indies and continental tropical America. Formerly confused with P. prolif- erum Lam. Sprouting Crab-grass. 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
