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 102nd meridian; 2nd ed. . de, or tuberculate and winged spiny margins or broadly wingedwithout spines. In ponds and streams, throughout North Americaexcept the extreme north. Cuba. Several speciesand varieties have been proposcil. based on the spurs,spines or wings of the fniit. Init none of tlien\ seemto be more than races. Morass weed. Family 26. CABOMBACEAE A. Gray
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 102nd meridian; 2nd ed. . de, or tuberculate and winged spiny margins or broadly wingedwithout spines. In ponds and streams, throughout North Americaexcept the extreme north. Cuba. Several speciesand varieties have been proposcil. based on the spurs,spines or wings of the fniit. Init none of tlien\ seemto be more than races. Morass weed. Family 26. CABOMBACEAE A. Gray,Ann. Lye. N. Y. 4: 4(). 1837. \V.\TKR-SIIIELn Aiiuatic perennial herbs, with rootstocks, mucilage-coated stems, floating orimmersed leaves, and solitary axillary flowers. Sepals 3, rarely 4. Petals 3,rarely 4. Stamens 3-18; anthers extrorse, the connective continuous with the fila-ment. Carpels J-18, distinct. Stigmas sessile or nearly so; ovules 2 or 3. ortho-tropous. Iniits indehiscent, coriaceotis, separate. Seeds 1-3, borne on the dorsalsuture; embryo at the base of fleshy endosperm; cotyledons fleshy; hypocotyl veryshort. Two genera and aliout 5 species, widely ilislrihiUeil in fresh-water lakes and 76 CABOMBACEAE. Vol. II. Leaves dissected, excepting the small floating ones ; stamens peltate, entire, floating; stamens i^-i8.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
