. Les éléments de botanique embrassant organography, histologie, physiologie végétale, botanique systématique et botanique économique ... ainsi qu'un glossaire complet de termes botaniques. La botanique. L'assimilation et la métastase. 107. et ainsi rencontrer d'une por- tion de ses aliments azotés (). Vénus's Fly-piège, les lobes de proximité dont les feuilles et les insectes capture lorsque ceux-ci touchent le corps svelte de poils sur la face supérieure (Fig. 223a), est de même capa- ble de digérer les aliments pour animaux. Les nombreuses glandes sessiles ^^sa fournir la sécrétion digestive, et absorbent aussi dans l'usine les portions des insectes digérés

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. The elements of botany embracing organography, histology, vegetable physiology, systematic botany and economic botany ... together with a complete glossary of botanical terms. Botany. ASSIMILATION AND METASTASIS. 107. and thus furnishes a por- tion of its (nitrogenous) food. Venus's Fly-trap, the lobes of whose leaves close and capture insects when the latter touch the slender hairs on the upper side (Fig. 223a), is likewise capa- ble of digesting animal food. The numerous sessile glands ^^sa provide the digestive secretion, and also absorb into the plant the digested portions of the insects. Glands, whose viscid secretion is capable of digesting nitrogenous material, are also found on the leaves of the Butterwort (JPinguicula), which grows' on Yet rocks and damp soils. The curious little bladders (Fig. 224) of the Bladderwort {Utrieularia) capture small water-animals. In the pitchers (Fig. 225) of the Sarraeeaia and Nepenthes, insects fall and drown ; these animals, by their decay, probably furnish food to be absorbed by the plants. 137. The immediate products of assimilation undergo further (though but slightly understood) chemical changes to form the various substances found in vegetable tissue. All these changes, subsequent to assimilation, are collectively termed metastasis (Gr. meta, over; istavmi, to place). Metastasis is a process of oxidation ; Fig. 223a. Leaves of Venus's Fly-trap {Dionizct), Fig. 224. Bladder from the stem of the Bladderwort ( Utricularia), slightly magnified. Fig. 225, A leaf, having the form of a pitcher or cup, of Sarracenia.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Kellerman, William Ashbrook, 1850-1908. Philadelphia, J. E. Potter and Company

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• bookcentury1800
• bookdecade1880
• booksubjectbotany
• bookyear1883