. 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. Marsh or Yellow Water-cress. Fig. 2030. Sisymbrium amphibium var. palustre L. Sp. PI- 657- I753-, Radicula palustris Moench. Meth. 263. 1794. Nasturtium terrestre R. Br. in Ait. Hort. Kew. Ed. 2, 4: no. 1812. Nasturtium palustre DC. Syst. 2: 191. 1821. Roripa palustris Bess. Enum. 27. 1821. Annual, or biennial, erect, branching, glabrous or slightly pubescent,
. 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. Marsh or Yellow Water-cress. Fig. 2030. Sisymbrium amphibium var. palustre L. Sp. PI- 657- I753-, Radicula palustris Moench. Meth. 263. 1794. Nasturtium terrestre R. Br. in Ait. Hort. Kew. Ed. 2, 4: no. 1812. Nasturtium palustre DC. Syst. 2: 191. 1821. Roripa palustris Bess. Enum. 27. 1821. Annual, or biennial, erect, branching, glabrous or slightly pubescent, i°-3i° high. Lower leaves petioled, 3'-/' long, oblong or oblanceolate, deeply pinnatifid (rarely only dentate), the lobes acutish or blunt, repand or toothed; upper leaves nearly ses- sile, dentate or somewhat lobed; base of the petiole often dilated and clasping; pedi- cels slender, 3" long in fruit; flowers yel- low, 2"-3" broad; pods linear, or linear- oblong, 2-6 times as long as thick, about equalling the pedicels, spreading or curved; style ¥' long or less. In wet places, nearly throughout North America except the extreme north. Appar- ently in part naturalized from Europe on the eastern side of the continent, but widely indigenous. Yellow wood-cress. May-Aug. 6. Radicula hispida (Desv.) Britton. Yellow-cress. Fig. 2031. Hispid Brachylobus hispidus Desv. Journ. Bot. 3: 183. 1814. Nasturtium hispidum DC. Syst. 2: 201. 1821. Nasturtium palustre var. hispidum A. Gray, Man. Ed. 2, 30. 1856. Roripa hispida Britton, Mem. Torr. Club 5: 169. 1894. Radicula hispida Britton, Torreya 6 ; 30, 1906. R. palustris hispida Robinson, Rhodora 10: 32. 1908. Resembling the preceding species, but often stouter, sometimes 4° high and with lower leaves 10' long, the stem, branches, petioles and veins of the lower surfaces of the leaves hirsute with spreading hairs. Leaves lyrate-pinnatifid; pedicels slender, spreading, about 3" long, longer than the globose or ovoid pod
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
