. 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. Filaments much longer than the anthers; achene with 5-7 tuberculate or prominently toothed crests. 17. 5. lorata. i. Sagittaria longirostra (Micheli) J. G. Smith. Long-beaked Arrow-head. Fig. 231. Sagittaria sagittaefolia var. longirostra Micheli in DC. Monog. Phan. 3: 69. 1881. Sagittaria longirostra J. G. Smith, Mem. Torr. Club, 5 : 26. 1894. Monoecious, glab
. 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. Filaments much longer than the anthers; achene with 5-7 tuberculate or prominently toothed crests. 17. 5. lorata. i. Sagittaria longirostra (Micheli) J. G. Smith. Long-beaked Arrow-head. Fig. 231. Sagittaria sagittaefolia var. longirostra Micheli in DC. Monog. Phan. 3: 69. 1881. Sagittaria longirostra J. G. Smith, Mem. Torr. Club, 5 : 26. 1894. Monoecious, glabrous, scapes erect, rather stout, il°-3° tall. Leaves hastate or sagittate, 4'-i2' long, abruptly acute at the apex, the basal lobes ovate or ovate-lanceolate or linear, acute, one-third to one-half the length of the blade; scape usually longer than the leaves, 6-angled below; bracts triangular-lanceolate, acuminate, 7"-is" long, longer than the fertile pedicels; petals 8"-i4" long; filaments gla- brous; styles curved, twice as long as the ovaries; achene obovate, about 2" long,.winged on both margins, the ventral margin entire or undulate, the dorsal eroded, its sides with a short crest, its beak stout, erect or recurved. In swamps and along ponds, New Jersey and Pennsylvania to Florida and Alabama. July-Sept. 2. Sagittaria Engelmanniana J. G. Smith, gelmann's Arrow-head. Fig. 232. Saggittaria variabilis var. (?) gracilis S. Wats, in A. Gray, Man. Ed. 6, 555. 1889. Not Engelm. Sagittaria Engelmanniana J. G. Smith, Mem. Torr. Club, 5: 25. 1894. Monoecious, glabrous, scape erect or ascending, slender, 8'-2o' high. Leaves narrow, ii'-8' long, i"-4" wide, acute or obtuse at the apex, the basal lobes narrowly linear, acuminate, one-third to one-half the length of the blade; scape striate, about as long as the leaves; bracts lanceo- late, acute, shorter than the slender fertile pedicels, 4"-6" long; flowers y"-i2" broad; filam
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
