. 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. II. Artemisia biennis Willd. Biennial Worm-wood. Fig. 4581. Artemisia biennis Willd. Phytogr. ii. 1794. Annual or biennial, glabrous throughout; stem veryleafy, usually branched, i°-4° high, the branches nearlyerect. Leaves i-3 long, 1-2-pinnately divided intolinear or linear-oblong, acutish, serrate or incisedlobes, the lowest petioled, the uppermost less dividedor rarely qu
. 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. II. Artemisia biennis Willd. Biennial Worm-wood. Fig. 4581. Artemisia biennis Willd. Phytogr. ii. 1794. Annual or biennial, glabrous throughout; stem veryleafy, usually branched, i°-4° high, the branches nearlyerect. Leaves i-3 long, 1-2-pinnately divided intolinear or linear-oblong, acutish, serrate or incisedlobes, the lowest petioled, the uppermost less dividedor rarely quite entire; heads about li broad, notdrooping, sessile and exceedingly numerous in axillaryglomerules which are crowded, forming a compoundspicate inflorescence, the subtending leaves much ex-ceeding the clusters; involucre nearly hemispheric, itsbracts green, scarious-margined; receptacle naked;central flowers fertile. Native from Tennessee to Nebraska, Manitoba, BritishCohmibia and California, now widely distributed as a weedfrom Manitoba to Nova Scotia, south to Missouri, Ken-tucky and Delaware. Genus 94. THISTLE FAMILY 12. Artemisia Stelleriana Fig. 4582. Beach Artemisia Stelleriana
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
