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 (14783896302).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:
acutish; chaff of thereceptacle linear, or slightly dilated above; achenes vil-lous on the angles; scales of the pappus ovate, acutish,equalling or longer than the achene. Prairies and hills, Missouri and Kansas to Texas. May-June. 3. Marshallia grandiflora Beadle & Boynton. Large-flowered Marshallia. Fig. 4526. Marshallia grandiflora Beadle & Boynton, Bilt-more Bot.Stud. 1:7. 1901. Stem simple, i°-2° high, leafy to above themiddle. Lower and basal leaves obovate tooblong-lanceolate, tapering into petioles oftenas long as the blade, obtuse or obtusish;upper leaves lanceolate, sessile, or more orless clasping; florets slightly larger than thoseof M. trinervia, 7-io long; achenes larger,2-2¥ long, pubescent. In moist soil, Pennsylvania to West Virginiaand North Carolina. July-Aug. Marshallia obovata (Walt.) Beadle & Boyn-ton, a lower plant of the Southern States, withobo\ate or spatulate leaves mainly basal, is re-corded as extending northward to southwesternPennsylvania.
Text Appearing After Image:
504 COMPOSITAE. Vol. III. 77. PSILOSTROPHE DC. Prodr. 7: 261. 1838. (RiDDELLiA Nutt. Trans. Am. Phil. Soc. (II) 7: 271. 1841.) Branched annual or perennial woolly herbs, often nearly glabrous when old, with alter-nate leaves, and middle-sized heads of both tubular and radiate yellow or orange flowers,corymbose, or clustered at the ends of the branches. Involucre cylindraceous, its bracts 4-10in I series, narrow, equal, densely white-woolly, separate, but erect and connivent, commonlj^with 1-4 scarious ones within, and occasionally a narrow outer one. Rays broad, becomingpapery and whitish, persistent, 5-7-nerved, 2-3-toothed, pistillate. Receptacle small, naked.Disk-flowers perfect, fertile, their corollas with a short proper tube and elongated cylindra-ceous limb, 5-toothed, the teeth glandular-bearded. Anthers obtuse and entire at the base.Style-branches of the disk-flowers capitellate. Achenes linear, striate. Pappus of 4-6 nerve-less acute scales, glabrous or villous. (Greek, refe

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