. A manual of weeds : with descriptions of all the most pernicious and troublesome plants in the United States and Canada, their habits of growth and distribution, with methods of control . Weeds. 72 CYPEBACEAE (SEDGE FAMILY) numerous, flattened, linear, eight to ten-flowered, spreading, in loose oblong or ovoid heads; stamens three; style three-parted, the branched tips exserted; scales straw-colored, oblong lance- shape, strongly nerved, much longer than the slim, three-angled, and pointed achene. (Fig. 36.) Means of control Drainage of the ground, followed by a cultivated crop very thorough
. A manual of weeds : with descriptions of all the most pernicious and troublesome plants in the United States and Canada, their habits of growth and distribution, with methods of control . Weeds. 72 CYPEBACEAE (SEDGE FAMILY) numerous, flattened, linear, eight to ten-flowered, spreading, in loose oblong or ovoid heads; stamens three; style three-parted, the branched tips exserted; scales straw-colored, oblong lance- shape, strongly nerved, much longer than the slim, three-angled, and pointed achene. (Fig. 36.) Means of control Drainage of the ground, followed by a cultivated crop very thoroughly tilled so as to destroy the tuberous rootstocks re- seeding heavily to red-top or timothy. BALDWIN'S CYPERTJS Cyphrus echinatus, Wood Native. Perennial. Propagates by seeds and by rootstocks. Time of bloom: July to September. Seed-time: August to October. Range: Virginia to Missouri, southward to Florida and Texas. Habitat: Dry, sandy soil; cultivated fields, waste places. This Cyperus seems to prefer dry and mellow soils, and often makes itself troublesome in strawberry and melon patches. It springs from short corm- like rootstocks, the culms ten inches to two feet high, slender, smooth, longer than the leaves, which are pale green, less than a quarter-inch wide, smooth with rough edges; the involucre has five to ten bracts, most of them much longer than the umbel; the latter has six to twelve unequal ascending rays, the heads globose or slightly oblong, usually about a half-inch in diameter; spikelets twenty to forty, pale green or Fig. 37.—Baldwin's Cyperus somewhat yellowish, spreading, lance- (Cyperus echinatus). x i. cylindric or only slightly compressed;. 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 Georgia, Ada Eljiva, 1859-1921. New York : Macmillan
Size: 1052px × 2376px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectweeds, bookyear1919
