. 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. Acerates auriculata Engelm. Auri- cled Milkweed. Fig. 3412. Bot. Mex. Bound. Acerates auriculata Engelm Surv. 160. 1859. Asclepias auriculata Holzinger, Bot. Gaz. 17: 125. 1892. Stem glabrous, often glaucous, sinuous above, rarely branched below, usually stout, i°-3° high. Leaves mostly alternate, narrowly linear, glabrous, short-petioled, 3'-8' long, ' 4"
. 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. Acerates auriculata Engelm. Auri- cled Milkweed. Fig. 3412. Bot. Mex. Bound. Acerates auriculata Engelm Surv. 160. 1859. Asclepias auriculata Holzinger, Bot. Gaz. 17: 125. 1892. Stem glabrous, often glaucous, sinuous above, rarely branched below, usually stout, i°-3° high. Leaves mostly alternate, narrowly linear, glabrous, short-petioled, 3'-8' long, ' 4"-24" wide, becoming leathery, the rough margins not revolute; umbels commonly sev- eral, densely many-flowered, peduncled; pe- duncles 2"-i' long, pubescent; pedicels slender, pubescent; flowers greenish white tinged with dull purple; corolla-segments oblong, 2"-2j" long; column short, but distinct; hoods yellow, often with a purplish keel, entire, or emargi- S nately truncate at the apex, not exceeding the anthers, the involute margins^ spreading at the base into auricles; follicles 2'-z' long, curved. In dry soil, Nebraska and Colorado to Texas and New Mexico. June-Sept. 5. Acerates lanuginosa (Nutt.) Dec. Woolly Milkweed. Fig. 3413. Asclepias lanuginosa Nutt. Gen. 1: 168. 1818. Acerates lanuginosa Dec. in DC. Prodr. 8 : 523. 1844. Hirsute all over; stems erect, slender, simple, 6'-i8' high. Leaves oblong, ovate-lanceolate or lanceolate, obtuse at the apex, narrowed or rounded at the base, short-petioled, 1-4' long, 4"_IS" wide; umbel solitary, terminal, densely many-flowered, peduncled; peduncle stout, densely hirsute, i'-ii' long; pedicels slender, puberulent or hirsute; corolla greenish, its segments oblong, about 2i" long; column none; hoods purplish, oblong, obtuse, entire, with a flat fold or auricle on the infolded lower ventral margins, shorter than the anthers; anther-wings broadest below the middle. On prairies, northern Illinois
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
