. The American fruit culturist : containing directions for the propagation and culture of fruit trees in the nursery, orchid and garden : with descriptions of the principal American and foreign varieties cultivated in the United States . Fruit-culture. Fig. 238. Fig. 237. 3. The Sections are founded on the glands of the leava Section I, comprehends those whose leaves are deeply and sharply serrate, (ox cut like saw-teeth,) and having no glands (or gum-like mi- nute knobs) at the base, fig. 235. Section II, contains those whose leaves are crenate or serrulate, (with shallow- er and more rounded
. The American fruit culturist : containing directions for the propagation and culture of fruit trees in the nursery, orchid and garden : with descriptions of the principal American and foreign varieties cultivated in the United States . Fruit-culture. Fig. 238. Fig. 237. 3. The Sections are founded on the glands of the leava Section I, comprehends those whose leaves are deeply and sharply serrate, (ox cut like saw-teeth,) and having no glands (or gum-like mi- nute knobs) at the base, fig. 235. Section II, contains those whose leaves are crenate or serrulate, (with shallow- er and more rounded teeth,) and having glo- sSf Wf W^* Section III, includes all those whose leaves are crenate or serrulate, having reniform (or kid- ney-shaped) glands, fig. 237. " The form of the glands," observes Lindley, " as well as their position is perfectly dis- tinct ; they are fully developed in the month of May, and they continue to the last permanent in their character, and are not affected by cultivation. The globose glands are situated, one, two, or more, on the foot stalks, and one, two, or more, on the tips or points of the serratures of the leaves. The reniform glands grow also on the footstalks of the leaves, but those on the leaves are placed within the serra- tures, connecting, as it were, the upper and lower teeth of the serratures together; their leaves, when taken from a branch of a vigorous growth, have more glands than the leaves of the globose varieties. It will, however, sometimes happen that glands are not discernible on some of the leaves, especially on those produced on weak branches; in this case, other branches must be sought for which do produce ; 4. The sections thus formed are each divided into two sub-sections ; the first embracing those Fig. 238. Fig. 239. which have large flow- ers, as in fig. 238; and the second including such as bear small flowers, fig. 239. The sub-sections are in most cases. Please note that these images are extr
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