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" Pappus usually composed of scabrous filiform bristles in one or more series, —the inner series often smaller and somewhat connivent. "
A Flora of North America: Containing Abridged Descriptions of All the Known ... - Page 453
by John Torrey, Asa Gray - 1838
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Agricultural Botany: An Enumeration and Description of Useful Plants and ...

William Darlington - Botany - 1847 - 342 pages
...Involucre imbricated, the scales various. Receptacle bristly-paleaceous. Akčnes compressed. Pappus usually composed of scabrous filiform bristles in one or more series, —the inner series often smaller and somewhat connivent. Polymorphous Herbs. Leaves alternate. Heads solitary,...
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American Weeds and Useful Plants: Being a Second and Illustrated Edition of ...

William Darlington - Botany - 1859 - 500 pages
...roundish ovoid, the scales variously margined or appendaged. Receptacle bristly. Akenes compressed. Pappus usually composed of scabrous filiform bristles in one or more series — the inner series often smaller and somewhat connivent. Polymorphous herbs. Leaves alternate. Heads solitary,...
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Catalogue of Plants Collected in Nevada, Utah, Colorado, New Mexico, and ...

Joseph T. Rothrock - Botany - 1878 - 256 pages
...mostly large and btcrile, sometimes wanting; involucre various, imbricated. Receptacle setose. Acbenia compressed. Pappus occasionally wanting or nearly...composed of scabrous filiform bristles, in one or more scries, tbo inner often smaller and somewhat counivent. — T. & G. tPEKEZiA, Lagasca. — "Head several-inauy-flowcrcd...
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Report Upon United States Geographical Surveys West of the One ..., Volume 6

George Montague Wheeler, Geographical Surveys West of the 100th Meridian (U.S.) - America - 1878 - 502 pages
...mostly large and sterile, sometimes wanting; involuere various, imbricated. Receptacle setose. Achcuia compressed. Pappus occasionally wanting or nearly...usually composed of scabrous filiform bristles, in ono or more series, the inner often smaller and somewhat counivent,—T. & G. about 25-flowered, sessile...
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