. 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. Leaves mostly smooth, or nearly so ; pappus none, or of 2-4 stout rough; pappus crown-like, or of 1-3 sharp teeth. I. Heliopsis helianthoides (L.) False Sunflower. Fig. 4437. Buphthalmtim helianthoides L. Sp. PI. 904. iaevis Pers. Syn. 2 : 473. helianthoides Sweet, Hort. Brit. Stem glabrous, branched above, 3°
. 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. Leaves mostly smooth, or nearly so ; pappus none, or of 2-4 stout rough; pappus crown-like, or of 1-3 sharp teeth. I. Heliopsis helianthoides (L.) False Sunflower. Fig. 4437. Buphthalmtim helianthoides L. Sp. PI. 904. iaevis Pers. Syn. 2 : 473. helianthoides Sweet, Hort. Brit. Stem glabrous, branched above, 3°-5° opposite, or rarely in 3s, ovate orovate-lanceolate, rather thin, acuminate at theapex, usually abruptly narrowed at the base,sharply and nearly equally dentate, smooth onboth sides, or roughish, 2>-^ long, i-22 wide;heads long-peduncled. somewhat corymbose,i¥-2V broad; rays 9-i2 long, persistent, orat length decaying away from the achenes;bracts of the involucre oblong or linear-oblong,obtuse or acutish, the outer commonly longerthan the inner; achenes glabrous, the summittruncate; pappus none, or of 2-4 short teeth. In open places, Ontario to New York, Florida,North Dakota, Illinois and Ten
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
