. An encyclopædia of gardening; . ranite and trap rocks ; and in Russia it covers extensive tracts of deep, soft, black earth. Inbleak situations, where it is not covered by snow in winter at the roots, or sheltered by other trees, it willnot thrive. 7132. The alder {Alnus glutinosa, W. (Eng. Bot. 1505.) Mo7icec. Tetrand. L. andAvientacees, J.) is a middle-sized native aquatic tree of no great value, either as timberor ornament farther than that it will grow where few other trees will thrive, exceptingthe birch, poplar, and willow. It flowers in May, and ripens its seeds in September andOctobe
. An encyclopædia of gardening; . ranite and trap rocks ; and in Russia it covers extensive tracts of deep, soft, black earth. Inbleak situations, where it is not covered by snow in winter at the roots, or sheltered by other trees, it willnot thrive. 7132. The alder {Alnus glutinosa, W. (Eng. Bot. 1505.) Mo7icec. Tetrand. L. andAvientacees, J.) is a middle-sized native aquatic tree of no great value, either as timberor ornament farther than that it will grow where few other trees will thrive, exceptingthe birch, poplar, and willow. It flowers in May, and ripens its seeds in September andOctober. a, 7133. Use. The timber is used in water-works, and by the turner, millwright, lastmakers, and others,as well as for common country purposes, and charcoal. 7134. T/iepoplar. — Populus, W. Dicec. Dodec. L. and Amentacece, J. Peuplier, Fr.;Poppelbaum, Ger. ; and Poppio, Ital. There are several species which may be reckonedtimber-trees. Book III. SOFT-WOODED TREES. 995 {Eng. ) (fig. 671. a)alar is distinguisned from the. 7135. The abele-tree, P. variety called the hoary poplar is distinguicommon wild abele by its larger three, fbur, or five lobetlleaves, dark aboFe and downy under, and by the young shootshaving a purple bark covered with white down. It is a rapid-growing tree, speedily attaining great bulk of timber, a heightof 60 or 70 feet, and great extent of branches. The P. vistu-lensis seems a variety of this tree ; and on the banks of theVistula, particularly at Villeneuve, near Warsaw, grows toupwards of 100 feet high, with a clean trunk and ample head, ^i 7136. The common black poplar {F. jiigj-a) (Eng. Bof. 1910.)(fig. 677. b) isanative tree, of lofty growth, distinguished byits light-green leaves, lightly notched on the edges, andash-colored bark. It is, by some, considered a merevariety of the alba, and for the purposes of profit may be soconsidered. 7137. The trembling poplar (P. tremula) {fig. 617. c) andthe common poplar (P. canescens) {d) are
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Keywords: ., bookcentury1800, bookdecade18, booksubjectgardening, bookyear1826
