. A class-book of botany, designed for colleges, academies, and other seminaries ... Illustrated by a flora of the northern, middle, and western states; particularly of the United States north of the Capitol, lat. 38 3/4. ned. Fls. purple. . Periploca. 5 1. ASCLEPIAS. The Gr. name, from Esculapius, the fabulous god of medicine and physicians. Calyx deeply 5-parted ; cor. deeply 5-parted, valvate in aestivation, finally reflexed ; starainal corona 3-leaved. leaflets cucullate, with an averted, horn-like process from the base, curved towards the stigma; antheridium (connate mass of anthers) 5-an
. A class-book of botany, designed for colleges, academies, and other seminaries ... Illustrated by a flora of the northern, middle, and western states; particularly of the United States north of the Capitol, lat. 38 3/4. ned. Fls. purple. . Periploca. 5 1. ASCLEPIAS. The Gr. name, from Esculapius, the fabulous god of medicine and physicians. Calyx deeply 5-parted ; cor. deeply 5-parted, valvate in aestivation, finally reflexed ; starainal corona 3-leaved. leaflets cucullate, with an averted, horn-like process from the base, curved towards the stigma; antheridium (connate mass of anthers) 5-angled, truncate, opening by 5 longitudinal fissures ; pollinia (masses of pollen) 5 distinct pairs, fixed by the attenuated apex, pendulous ; follicles 2, ventri- cose ; seeds comose.—%- Mostli/ North Arfiericaii^ with opposite^ verti- dilate^ rarely alternate leaves. Umbels between the petioles. * Leaves opposite. 1. A. CORNUTI. Decaisne. (A. Syriaca. Linn, and l5^ edit.) Common Silk- veed.—St. simple; lvs. oblong-lanceolate, petiolate, gradually acute, tomentose beneath; nmbels nodding; sefr. of the bidentate; follicles muri- cate.—A coarse, very lactescent plant, common by roadsides, and in sandy. AscLEPiAs. CII. ASCLEPIADACEiE. 459 fields. Stem a—4t high, seUlom branchrd. Leaves 5—8 by 2—3, tapering atboth ends. Uniliels .several, , subtcniiiiial, dense, globose, each of 20or more llosvers. Calyx segm< lanceolate Corolla pale pur-ple, reflexed, leaving the corona, which is of nearly the same hue, quite con-spicuous. But few of the flowers prove fertile, producing oblong, pointed,rough pods or follicles, which contain a of long, silky fibres with seedsattached. July. 2. A. puvT()i,Acci)inKs. Ph. PaLc-karcd SUkicecd. 67. simple, erect, puberulcnt; Ivs. broadly ovate, attenuated at andapex, acute, .smoothish both sides, glaucous beneath; pcd. terminal, subequal-ing the leaves, whitish-puberulent, many-flowered; ped
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Keywords: ., bookcentury1800, bookdecade1840, booksubjectbotany, bookyear1848