. generally corresponding with the number of parts of the calyx and corolla; two to four or five, or their multiples, is the usual number in plants with net-veined leaves, and three or six in plants with parallel-veined leaves. Each stamen is either free, or the filaments are broad and connected at their bases, or for their whole length up- wards, forming a tube surrounding the ovary and pistils, as in the mallow, geranium, passion-flower, and pea families (fig. 3, c). In the latter, there are in most cases nine connected together, and one loose and free (fig. 3, d).

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Keywords: ., bookcentury1800, bookdecade1870, booksubjectbo, booksubjectbotany