A Manual of Botany Being An Introduction to the Study of the Structure Physiol
A Manual of Botany Being An Introduction to the Study of the Structure Physiol
John Hutton Balfour
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6. Lomentaceae (lomentum, an articulate legume), sili- qua or silicula, dividing transversely into single-seeded cells, the true siliqua being often barren and all the seeds placed in the beak. 761. In this order there is a want of symmetry as regards the number of stamens, compared with the floral envelopes. The two long stamens placed close together may, however, be looked upon as one divided by a process of deduplication, so that the actual number will thus be reduced to four. This view is c...onfirmed by the shorter stamens having teeth on each side, while the longer ones are toothed on one side only. By pelorization, too, some Cruciferae become tetrandrous. While there is a splitting of the filaments, there is also the production of two additional anther-lobes. In regard to the fruit, it has been stated, that normally there are four carpidia or carpels, two of which are constantly abortive. In some species of Iberis there have been seen four sepals, four petals, four stamens, and four carpels.
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