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 . inoseprocesses. In moist soil, Minnesota to British Columbia, southto Kansas, Utah and California. May-July. 18. Asclepias arenaria Fig. , arenaria Torr. Bot. Mex. Bound. Surv. 162. tomentose-canescent all over, stemssimple, ascending or erect, stout, i°-2° obovate or oval, wavy-tuargined, thick,obtuse or retuse and cuspidate at the ap
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 . inoseprocesses. In moist soil, Minnesota to British Columbia, southto Kansas, Utah and California. May-July. 18. Asclepias arenaria Fig. , arenaria Torr. Bot. Mex. Bound. Surv. 162. tomentose-canescent all over, stemssimple, ascending or erect, stout, i°-2° obovate or oval, wavy-tuargined, thick,obtuse or retuse and cuspidate at the apex, trun-cate, subcordate, obtuse, or rareh some of themnarrowed at the base, 2-4 long. i-3 wide, theangle of the primary nervation broad; umbelsdenseh many-flowered, short-peduncled or ses-sile; corolla greenish-white, its segments oval-oblong, 4-5 long; column i-2 high; hoodsoblong, truncate at each end, oblique at the apex,longer than the anthers, with a broad tooth oneach side within; horn semi-lunate with an ab-ruptly incurved subulate apex; follicles puberu-lent. 4-5 long, erect on the decurved fruitingpedicels. On sand-bars and hills along rivers, Nebraska andColorado to Mexico and New Mexico.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
