File: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 (14597657897).jpg

Identifier: illustratedflor03brit (find matches)
Title: 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
Year: 1913 (1910s)
Authors: Britton, Nathaniel Lord, 1859-1934 Brown, Addison, 1830-1913
Subjects: Botany
Publisher: New York : Scribner
Contributing Library: Robarts - University of Toronto
Digitizing Sponsor: University of Toronto

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Text Appearing Before Image:
t, naked. Outer flowers of the head pistillate, their corollas filiform,3-cleft or dentate at the apex. Central flowers perfect, but mainly sterile, their corollas 5-cleft.Anthers sagittate at the base, the auricles caudate. Style of the perfect flowers 2-cleft orundivided. Achenes 4-5-angled. Pappus a single series of capillary scabrous bristles. (Namedfor the Abbe N. A. Pluche, of Paris.) About 35 species, widely distributed in warm and temperate regions. In addition to the follow-ing, 2 or 3 other indigenous species occurs in the southern United States, and two introduced oneshave been found in waste places in Florida. Type species: Conysa marilandica Michx. Perennial; leaves sessile, cordate, or clasping at the base. i. P.foetida. . Annual; leaves, at least those of the stem, petioled. Leaves short-petioled ; heads about 3 high ; involucral bracts densely puberulent. 2. P. camphorata.Leaves slender-petioled ; heads 2-2y2 high; involucral bracts granulose, ciliate. 3. P. petiolata.
Text Appearing After Image:
I. Pluchea foetida (L.) DC. Viscid MarshFleabane. Fig. 4390. Baccharis foetida L. Sp. PI. 861. 1753.Baccharis viscosa Walt. Fl. Car. 202. 1788.Pluchea bifrons DC. Prodr. 5: 451. 1836.Pluchea foetida DC. Prodr. 5 : 452. 1836. Root perennial; stem simple or sparingly branch-ed at the summit, puberulent and slightly viscid,i5°-3° high. Leaves oblong, ovate or ovate-lan-ceolate, closely sessile and more or less cordate-clasping at the base, obtuse or acute at the ape.x,sharply denticulate, pubescent or puberulent, 2-4long, i-^¥ wide, reticulate-veiny; clusters ofheads sessile, or stalked, compact, leafy-bracted;involucre 2i-3 high, its bracts lanceolate, acute,viscid-puberulent. In swamps, southern New Jersey to Florida andTexas, mainly near the coast. Also in the West In-dies. Foetid marsh-fleabane. July-Sept. 448 COMPOSITAE. Vol. III.

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