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 (14580623769)

Identifier: classbookbotany00wood (find matches)
Title: 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
Year: 1848 (1840s)
Authors: Wood, Alphonso, 1810-1881
Subjects: Botany Plants -- United States Plants -- Canada
Publisher: Boston, Crocker & Brewster
Contributing Library: The LuEsther T Mertz Library, the New York Botanical Garden
Digitizing Sponsor: The LuEsther T Mertz Library, the New York Botanical Garden



Text Appearing Before Image:
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 cnron.a bidentate; follicles muri- cate.—A coarse, very lactescent plant, common by roadsides, and in sandy
Text Appearing After Image:
AscLEPiAs. CII. ASCLEPIADACEiE. 459 fields. Stem a—4t high, seUlom branchrd. Leaves 5—8 by 2—3, tapering atboth ends. Uniliels .several, a.xillary, subtcniiiiial, dense, globose, each of 20or more sweei-.seenied llosvers. Calyx segm<Mit.s 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 mas.s 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 ba.se andapex, acute, .smoothish both sides, glaucous beneath; pcd. terminal, subequal-ing the leaves, whitish-puberulent, many-flowered; pedicels slender, loose;antheridium stipitate ; $cg. of the coroiw. truncate, bidentate ; horns exseried.—A tall and elegant species, found in low, shady grounds, Can. to Ga. and Ark.Stem 4—5f high, smooth and slender.