Trees; a handbook of forest-botany for the woodlands and the laboratory . Fig. 102. Bird Cherry, Prunus Padus, p. 270 (D). latter are broader and more elliptical or ovate, acutelybi-serrate and somewhat obliquely cordate at the leaves of P. Avium resemble those of P. Cerasus, butdroop more as if flaccid instead of firm and erect. Other species with glands on the petioles are Salixpentandra and Viburnum Opulus. Prunus Laurocerasushas glands on the lower part of the lamina.] CHERRY 273 -r -r Petioles Leaves conduplicate. Primus Cerasus, L. Cherry (Fig. 103). Small treewith
Trees; a handbook of forest-botany for the woodlands and the laboratory . Fig. 102. Bird Cherry, Prunus Padus, p. 270 (D). latter are broader and more elliptical or ovate, acutelybi-serrate and somewhat obliquely cordate at the leaves of P. Avium resemble those of P. Cerasus, butdroop more as if flaccid instead of firm and erect. Other species with glands on the petioles are Salixpentandra and Viburnum Opulus. Prunus Laurocerasushas glands on the lower part of the lamina.] CHERRY 273 -r -r Petioles Leaves conduplicate. Primus Cerasus, L. Cherry (Fig. 103). Small treewith slender, spreading, and somewhat pendent 6—12 x 34 cm., ovate, ovate-lanceolate, oblong-. Fig. 103. Cherry, Primus Cerasus, p. 273 (D). ovate or -obovate, to elliptic or oblong; abruptly acumi-nate, bi-serrate or irregularly crenate-serrate with glandularteeth; firm above, paler matt green beneath; glabrous orw. [i. 18 274 CHERRY: PEAR sub-coriaceous, not pendent, dark shining green, slightlypubescent when young. Petiole eglandular, or occasionallywith 1—2 glands at the top or on the base of the lamina.(See p. 270.) Autumn leaves red and yellow. Leavesconduplicate. Flowers with the leaves. Stipules subulate,often toothed and glandular, caducous. Venation like that of P. Avium, the looping perhapsmore pronounced. 8 8 Leaves convolute. Forms of Prunus spinosa, devoid of thorns, and of itsvarieties P. insititia and P. domestica, may be looked forhere. See p. 267. Also P. Padus, when the petiolarglands are, as sometimes occurs, obsolete. See p. 271. [Several of these species of Prunus have resemblances,more or less, to certain Willows; but the numerousscales to the buds and
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