. 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. Cynosurus aegyptius L. Sp. PI. 72. 1753. Eleusine aegyptia Pers. Syn. 1: 87. 1805. Dactyloctenium aegyptiacum Willd. Enum. 1029. 1809. Culms 6'-2° long, usually decumbent and extensively creeping at the base. Sheaths loose, overlapping and often crowded, smooth and glabrous; ligule very short; blades 6' in length or less, i"-3" wide, smooth or rough,
. 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. Cynosurus aegyptius L. Sp. PI. 72. 1753. Eleusine aegyptia Pers. Syn. 1: 87. 1805. Dactyloctenium aegyptiacum Willd. Enum. 1029. 1809. Culms 6'-2° long, usually decumbent and extensively creeping at the base. Sheaths loose, overlapping and often crowded, smooth and glabrous; ligule very short; blades 6' in length or less, i"-3" wide, smooth or rough, sometimes pubescent, ciliate toward the base; spikes in pairs, or 3-5 and digitate, ¥-2' long; spikelets 3-5-flowered; scales compressed, scabrous on the keel, the second awned, the flowering ones broader and pointed. In waste places and cultivated ground, southern New York, Pennsylvania and Virginia to Illinois and Cali- fornia, south to Florida and Mexico. Widely distributed in tropical America. Naturalized from Asia or Africa. Crab-grass. Finger-comb-grass. July-Oct. 67. LEPTOCHLOA Beauv. Agrost. 71. pi. 15. f. 1. 1812. Usually tall annual grasses, with flat leaf-blades and numerous spikes forming a simple panicle. Spikelets usually 2-many-flowered, flattened, alternating in two rows on one side of the rachis. Scales 4-many; the 2 lower empty, keeled, shorter than the spikelet; the flower- ing scales keeled, 3-nerved. Palet 2-nerved. Stamens 3. Styles distinct. Stigmas plumose. Grain free, enclosed in the scale and palet. [Greek, in allusion to the slender spikes.] About 12 species, natives of the warmer regions of both hemispheres. Besides the following, 3 others occur in the southern United States. Type species: Cynosurus virgatus 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
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
