. 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. 5. Sparganium simplex Huds. Simple- stemmed Bur-reed. Black-weed. Fig. 165. Sparganium erectum /3 L. Sp. PI. 971. 1753. Sparganium simplex Huds. Fl. Aug. ed. 2. 401. 1788. Stem rather stout, ii°-2° high; leaves ii°-3° long, triangular-keeled, 4"-8" wide; bracts flat or slightly keeled; inflorescence usually simple, the pistillate heads 2-5, at least s
. 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. 5. Sparganium simplex Huds. Simple- stemmed Bur-reed. Black-weed. Fig. 165. Sparganium erectum /3 L. Sp. PI. 971. 1753. Sparganium simplex Huds. Fl. Aug. ed. 2. 401. 1788. Stem rather stout, ii°-2° high; leaves ii°-3° long, triangular-keeled, 4"-8" wide; bracts flat or slightly keeled; inflorescence usually simple, the pistillate heads 2-5, at least some of them supra- axillary, the lower 1 or 2 peduncled, the staminate heads 4-8; fruiting heads about 15" in diameter; nutlets brown or sometimes greenish-brown, the body fusiform, 2i"-3" long, often constricted at the middle; stigma linear, about 1" long. In lakes and streams, Quebec and Ontario, and in Washington and British Columbia. Also in Europe and Asia. July-Sept. 6. Sparganium chlorocarpum Rydb. Green-fruited Bur-reed. Fig. 166. Sparganium chlorocarpum Rydb. N. A. Fl. 171: 8. 1909. Stem slender, i°-2° tall, or sometimes floating; leaves i°-2° long, at least the middle ones keeled, ii"si" wide; bracts similar to the leaves, slightly, if at all, dilated or scarious at the base; inflores- cence simple, the pistillate heads 2-4, sessile or the lowest one peduncled, the staminate heads 3-7; fruiting heads io"-I2" in diameter: nutlets green, rather dull, the body fusiform, 2"-2.\" long; stigma less than 1" long. In marshes and rivers, western New York to Iowa and Indiana. 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
