. 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. 394 CYPERACEAE. Vol. 101. Carex umbellata Schk. Umbel-like Sedge. Fig. 968. Carex umbellata Schk.; Willd. Sp. PI. 4: 29°. 1805. Carex umbellata var. vicina Dewey, Am. Journ. Sci. 11: 317- Pi- D. f. 13. 1826. Rather light green, closely tufted and matted, strongly fibrillose at base, stoloniferous, culms phyllo- podic, filiform, i'-6' long. Leaves i"-ii
. 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. 394 CYPERACEAE. Vol. 101. Carex umbellata Schk. Umbel-like Sedge. Fig. 968. Carex umbellata Schk.; Willd. Sp. PI. 4: 29°. 1805. Carex umbellata var. vicina Dewey, Am. Journ. Sci. 11: 317- Pi- D. f. 13. 1826. Rather light green, closely tufted and matted, strongly fibrillose at base, stoloniferous, culms phyllo- podic, filiform, i'-6' long. Leaves i"-ii" wide, slender, ascending, usually much exceeding the culm, some- times i° long; staminate spike solitary, terminal, ¥ or less long, commonly conspicuous; pistillate spikes 1-3, all filiform-stalked from the basal sheaths or 1 or 2 of them sessile or very nearly so at the base of the stami- nate, oblong, 6-20-flowered, 2"-6" long; perigynia usu- ally less than 2' long; body oblong-orbicular, stipitate, finely pubescent, pale, obtusely 3-angled, f"-ii" long, tipped with a subulate 2-toothed beak of nearly its length; scales ovate-lanceolate, acuminate or short- awned, the lower partly hiding the perigynia; stigmas 3. Dry soil, Nova Scotia to Michigan and Pennsylvania. May-July. Carex abdita Bicknell, with short-beaked perigynia, seems to be distinct. It ranges from Quebec to New York, Saskatchewan and Oklahoma. 102. Carex tonsa (Fernald) Bicknell. Deep-green Sedge. Fig. 969. C. umbellata var. tonsa Fernald, Proc. Am. Acad. 37 : 507. 1902. C. tonsa Bicknell, Bull. Torr. Club 35: 492. 1908. Deep green, closely tufted and matted, strongly fibrillose at base, stoloniferous, culms phyllo- podic, filiform, i'-4' long. Leaves l"-2' wide, stiff, spreading in age, usually much exceeding the culm but rarely more than 8' long; staminate spike solitary, terminal, i' or less long, com- monly conspicuous; pistillate spikes 1-3, all fili- form-stalked from the
Size: 1397px × 1789px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
