. 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 . Ptilimnii 1894. Nuttallii Britton, Mem. Torr. Club 5 : 244. Similar to the preceding species, but generally stouter, 2°-i° high, the branches nearly erect. Umbels 7-25-rayed; bracts of the involucre linear, entire, short, those of the involucels minute; fruit nearly orbicular, obtusish, about i" long. In swamps, Illinois to Kansas, Louisiana and Texas. May-Sept. 49. CIC
. 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 . Ptilimnii 1894. Nuttallii Britton, Mem. Torr. Club 5 : 244. Similar to the preceding species, but generally stouter, 2°-i° high, the branches nearly erect. Umbels 7-25-rayed; bracts of the involucre linear, entire, short, those of the involucels minute; fruit nearly orbicular, obtusish, about i" long. In swamps, Illinois to Kansas, Louisiana and Texas. May-Sept. 49. CICUTA L. Sp. PI. 255. 1753. Erect tall perennial glabrous herbs, with pinnate or pinnately compound leaves, and compound terminal umbels of white flowers. Involucre of few bracts, or none; involucels many-bracted. acute. Petals broad, the apex inflexed. Stylopodium short- conic; fruit ovoid, or oblong, glabrous, slightly flattened laterally. Ribs corky, the lateral ones rather the strongest; oil-tubes solitary in the intervals, 2 on the commissural side. Seed nearly terete. [The ancient Latin name.] ves of the north temperate zone and M«xico. Besides the following about North America. Type ^ecies: Cicuta virosa L. Leaf-segments lamreolate. i. C. maculata. Leaf-segments narrowly linear. 2. C. bulbifera.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
