. 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. ing,mostly toothed, long-persistent; pappus a shorttoothed crown. In waste places. New Brunswick and Ontario toNew Jersey, Ohio, and in California, mostly es-caped from gardens. Naturalized or adventivefrom Europe. Called also pellitory, wild camo-mile. Rays variable in length. Summer. 5. Chrysanthemum Balsamita L. Cost-mary, Alint Geranitim. Fig. 4564. C. Balsamita L. Sp. PI
. 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. ing,mostly toothed, long-persistent; pappus a shorttoothed crown. In waste places. New Brunswick and Ontario toNew Jersey, Ohio, and in California, mostly es-caped from gardens. Naturalized or adventivefrom Europe. Called also pellitory, wild camo-mile. Rays variable in length. Summer. 5. Chrysanthemum Balsamita L. Cost-mary, Alint Geranitim. Fig. 4564. C. Balsamita L. Sp. PI. Ed. 2, 1252. 1763. Pyrethrum Balsamita Willd. Sp. PI. 3 : 2153. 1804. Perennial, puberulent or canescent; stemmuch branched, 2°-4° high. Leaves oblong,obtuse, crenate-dentate, i-2 long, those of thestem mostly sessile, and often with a pair oflateral lobes at the base; heads numerous, co-rymbose, slender-peduncled, 5-8 broad, orwhen rayless only 3 broad; bracts of the in-volucre narrow, obtuse, pubescent; rays 10-15,white, spreading; pappus a short crown. Sparingly escaped from gardens, Ohio to Mich-igan, Ontario and Nova Scotia. Native of the OldWorld. Other English names are cost, alecost, ale-coast. 520 COMPOSITAE. Vol. III. 92. MATRICARIA L. Sp. PI. 890. 1753. Annual or perennial, mostly erect herbs, similar to some species of the preceding genus,with alternate leaves, dissected into filiform or narrowly linear segments and lobes, andpeduncled heads of both tubular and radiate flowers, or rays wanting in some species. Invo-lucre hemispheric, its bracts appressed, imbricated in few series, the outer shorter. Recep-tacle conic, elongated or hemispheric, naked. Rays, when present, white, pistillate and jellow, perfect, fertile, their corollas 4-5-toothed. Anthers obtuse and entireat the base. Style-branches of the disk-flowers truncate, penicillate. Achenes none, or a coroniform border. [Latin, matrix, from its medicinal virt
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
