Identifier: paxtonsmagazineo08paxt (find matches)
Title: Paxton's Magazine of Botany and Register of Flowering Plants
Year: 1841 (1840s)
Authors: Paxton, Sir Joseph, 1803-1865.
Subjects: Botany--Periodicals Flowers--Periodicals.
Publisher: London: W. S. Orr and Co.
Contributing Library: Pennsylvania Horticultural Society, McLean Library
Digitizing Sponsor: LYRASIS Members and Sloan Foundation

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s iscomposed principally of loose granite and sandy loam, and is generally muchinterspersed witli masses of rock. In England it thrives well in the soil ordinarily used for greenhouse Rhodo-dendrons, which consists, for tlie most part, of loose sandy loam, with the additionof about a third or a fourth of fibrous heath-mould. The roots of Rhododendronswill not endure too great an exposure to solar light and heat in the summer, andhence, if tlic) are not in some degree shaded, the plants should be kept in a housewhose aspect or mode of constniction affords them a slight protection from the sunsrays. They require a very large supply of water in hot weather, particularlywhile flowering. Cuttings taken from the yoimg or lialf-ripcned wood of thisspecies root freely in sandy soil; and it may doubtless be propagated by graftingon the common sorts. llhododendron is taken from Rhodon, a rose, and dendron, a tree, in reference tothe large clusters of rosy flowers which many of the species bear.
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r V/^^A/ //-/ f(f////.l m^ 219 COLEUS BARBATUS. (bEARDED-FLOWEKED COLEUS.)CLass. OKDBrt. DTDYNAMIA. GYMNOSPERMIA. NATUHAL ORDfclR. LABIATiE. Generic Character.—Calyx ovatc-campanulfitc, erect, or often declinate or lefiexed in the fructiferousstate ; throat naked or hispid, fivc-tootiicd, upper tootli membranous, with the margins rarelydccurrcnt ; lower teeth narrowed, all acute, or the lateral ones ovate-truncate; the two lowermostones often combined. Corolla with an exseited defractcd tube, .nn inflated or equal throat, and abilabiate limb; upper Hp short, bluntly three to four-cleft; lower one entire, elongated, concave,usually boat-shaped. Slamens four, declinate, lower ones the longest; filaments toothless, con-nected at the base into a tube, which sheatlis the style ; antliers ovate, reniform, with confluent cells.Style subulate at the apex, equally bifid ; stigmas subiorminal. Achenia roundish, compressed,smooth. Specific Character.—Stem suffruticosc, ascending, tomentoscly

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