. 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 102d meridian. Botany; Botany. ASCLEPIADACEAE. Vol. III. 22. Asclepias verticillata L. Whorled Milk- weed. Fig. 3404. Asclepias verticillata L. Sp. PI. 217. 1753. Roots slender, fascicled; stem slender, simple or branched, pubescent in lines above, leafy, i°-2i° high. Leaves narrowly linear, sessile, verticillate in 3's-7's or some of them alternate, glabrous or very nearly so, their margins
. 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 102d meridian. Botany; Botany. ASCLEPIADACEAE. Vol. III. 22. Asclepias verticillata L. Whorled Milk- weed. Fig. 3404. Asclepias verticillata L. Sp. PI. 217. 1753. Roots slender, fascicled; stem slender, simple or branched, pubescent in lines above, leafy, i°-2i° high. Leaves narrowly linear, sessile, verticillate in 3's-7's or some of them alternate, glabrous or very nearly so, their margins narrowly revolute; umbels numerous, many-flowered; peduncles slender, i'-ii' long; pedicels almost filiform, shorter than the pe- duncles ; corolla greenish white, its segments oblong, ii"-2" long; column about i" high; hoods white, oval, entire, about equalling the anthers, much shorter than the subulate incurved horn; follicles erect on the erect fruiting pedicels, narrowly spindle- shaped, glabrous, 2-3' long. In dry fields and on hills, Maine and southern On- tario to Saskatchewan, south to Florida, Mexico and New Mexico. July-Sept. 23. Asclepias galioides Bedstraw Milk- weed. Fig. 3405. Asclepias galioides Nov. Gen. 3: 188. 1818. Glabrous, except the minutely pubescent stems and pedi- cels. Stems erect, 1° high or more, from a horizontal root- stock; leaves erect or spreading, in whorls of 2-6, narrowly linear, 2'-3' long, the margins revolute; peduncles longer than the pedicels and shorter than the leaves; umbels 9"—13" in diameter; flowers greenish-white; corolla-seg- ments 2" long; hoods as high as the anthers, broadly rounded at the summit, dorsally hastate-sagittate, the ven- tral margins slightly involute, entire; horn arising from the base of the hood, long-exserted over the anthers; anther-wings minutely notched at the base; follicles erect on erect fruiting pedicels, attenuated, 2'-2l' long, glabrous or minutely pu
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