. 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. Botany. Genus 12. MUSTARD FAMILY,. 4. Radicula sphaerocarpa (A. Gray) Greene. Round-fruited Cress. Fig. 2029. Naslurlium sphaerocarfiim A. Gray, Mem. Am. Acad. 4: 6. 1840. Roripa sphaerocarpa Britton, Mem. Torr. Club 5: 170. 1894. R. oblusa sphaerocarpa Robinson, Rhodora 10: 32. 1908. Radicula sphaerocarpa Greene, Leaflets, i: 113. IQOS- Glabrous, stem erect or decumbent, usu
. 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. Botany. Genus 12. MUSTARD FAMILY,. 4. Radicula sphaerocarpa (A. Gray) Greene. Round-fruited Cress. Fig. 2029. Naslurlium sphaerocarfiim A. Gray, Mem. Am. Acad. 4: 6. 1840. Roripa sphaerocarpa Britton, Mem. Torr. Club 5: 170. 1894. R. oblusa sphaerocarpa Robinson, Rhodora 10: 32. 1908. Radicula sphaerocarpa Greene, Leaflets, i: 113. IQOS- Glabrous, stem erect or decumbent, usually branched, slender, 4-12' high. Leaves oblong, obtuse, the lower lyrate-pinnatifid or incised, the upper sometimes nearly entire, all petioled or the upper subsessile; petioles narrowly margined, somewhat clasping at the base; flowers i" broad or less; petals yellow, about equalling the sepals; silicle globose, or subglobose, l"-2" in diameter, about as long as its pedicel; style very short. Illinois to Kansas, Texas and California. Perhaps a short-podded race of the preceding species. June- July. 5, Radicula palustris (L.) Moench. Marsh or Yellow Water-cress. Fig. 2030. "â Sisvmbriiim amphibium van palustre L. Sp. PI. 657. 1753- Radicula palustris Moench, Meth. 263. I794' Nasturtium terrestre R. Br. in Ait. Hort. Kew. Ed. 2, 4: no. 1812. Naslnrtium palustre DC. Syst. 2: 191. 1821. Roripa palustris Bess. Enum. 27, 1821. Annual, or biennial, erect, branching, glabrous or slightly pubescent, i°-3J° high. Lower leaves petioled, 3-7' 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
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
