. 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 . 2. Hydrocotyle Canbyi C. & R. Canby's Marsh-Pennywort. Fig. 3155. Hydrocotyle var. ambigua A. Gray, Man. Ed. 5. 190. 1S67. Not H. ambigua Pursh, 1814. H. Canbyi Coult. & Rose, Bot. Gaz. 12: 103. 1887. Stem creeping, sometimes 12' long, the sub- terranean branches tuberiferous. Petioles short, or elongated; leaves peltate, orbicular or nearly so, i'-ii' wide
. 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 . 2. Hydrocotyle Canbyi C. & R. Canby's Marsh-Pennywort. Fig. 3155. Hydrocotyle var. ambigua A. Gray, Man. Ed. 5. 190. 1S67. Not H. ambigua Pursh, 1814. H. Canbyi Coult. & Rose, Bot. Gaz. 12: 103. 1887. Stem creeping, sometimes 12' long, the sub- terranean branches tuberiferous. Petioles short, or elongated; leaves peltate, orbicular or nearly so, i'-ii' wide, with 7-11 shallow broad mostly crenulate lobes; peduncles elongated; inflores- cence mostly proliferous, rarely simply umbellate; verticils 3-10-flowered; pedicels i"-2" long, or some of them rarely 4" long: fruit about l" long and 2" broad, slightly notched at both ends wheii mature, much flattened, the intermediate ribs corky-thickened, the dorsal one very obtuse. In moist ground. New Jersey to Maryland. The record of this species from Florida in our first edi- tion should apply to H. australis. June-Sept^ 3. Hydrocotyle verticillata Thunb. Whorled ^larsh-Pennywort. Fig- 3156- H. verticillata Thunb. Diss. 2: 415- pl- 3- 1798. Hydrocotyle interrupta Muhl. Cat. 30. 1813. Similar to the two preceding species. In- florescence always proliferous, 1-2' long; verticils 2-6-flowered; pedicels very short, usually less than i" long; fruit about i" long, iJ"-2" broad, rounded or truncate at each end, not notched; intermediate ribs of the carpels filiform, not corky-thickened, the dor- sal one acute. In moist soil, Massachusetts to Florida, mainly near the coast, west to Texas. Arkansas and south- ern California, and in the West Indies, Central and South America. June-Sept. Hydrocotyle australis Coult. & Rose has fruit- ing pedicels i"-2" long, but is otherv.'ise similar to this species. It ranges from southeastern Vir- ginia t
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
