. E Amelanchier cana-densis, in favourablesituations, sometimesWJs<^-^*ls^m attains a height of thir-ty or forty feet, Avith a diameter of ten ortwelve inches. Its leaves are from two to threeinches long, alternate, of a lengthened ovalshape, finely toothed, and, when beginning toopen, are covered with a thick, silvery down,which disappears with their growth, andleaves them perfectly smooth on both flowers, which are white, and ratherlarge, are disposed in long panicles at the ex-tremities of the branches, and expand in
. E Amelanchier cana-densis, in favourablesituations, sometimesWJs<^-^*ls^m attains a height of thir-ty or forty feet, Avith a diameter of ten ortwelve inches. Its leaves are from two to threeinches long, alternate, of a lengthened ovalshape, finely toothed, and, when beginning toopen, are covered with a thick, silvery down,which disappears with their growth, andleaves them perfectly smooth on both flowers, which are white, and ratherlarge, are disposed in long panicles at the ex-tremities of the branches, and expand in theCarolinas and Georgia in February and March,and in the middle and northern states in Apriland May. The fruit is of a globular form, about one fourth of an inch in diam-eter, red in an immature state, and of a dark-purple when fully ripe, and iscovered with a bloom. It matures at the south in the month of June, and fromone to two months later in the more northern regions where it abounds. Of thisfruit, the largest tree rarely yields more than half a CANADIAN AMELANCHIER. 283 Varieties. As numerous forms constantly occur between the European andAmerican types of this genus, it is difficult to determine to Avhich species theybelong. Indeed, the two trees so closely resemble each other, that they havebeen regarded by some botanists as belonging to the same species. There areseveral races, however, which appear to be sufficiently distinct, and may bedescribed as follows :— 1. A. c. oBLONGiFOLiA, Torrey and Gray. Oblong-leaved Canadian Amelan-chier, a shrubby tree, with oval-oblong leaves. 2. A. c. ROTUNDiFOLiA, Torrcy and Gray. Round-leaved Canadian Amelanchier,occurring either shrubby or arborescent, with roundish-oval leaves. 3. A. c. ALNiFOLiA, Torrcy and Gray. Alder-leaved Canadian Amelanchier^ alsoshrubby or arborescent. Its leaves are roundish, elliptical, very obtuse or retuseat each end, and only serrate near the summit. 4. A. c. PUMiLA, Torrey and Gray. Dwarf
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Keywords: ., bookauthorbrownedj, bookcentury1800, bookdecade1850, bookyear1851
