. British plants : their biology and ecology. Plants; Plant ecology. Fig. 6.—Cypress, showing concrescent type of leaf. (Natural Size.) Fig. 7.—Stonecrop (Sedum acre), show- ing Crowded Succulent Leaves. (Natural Size. After Sowerby.) 3. Increase in Longevity.—In this country land-plants which retain their leaves in winter are almost invariably evergreen xeiophytes—, holly, ivy, heath, laurel, box, pine. By increasing the longevity of their leaves, plants are spared the necessity of making a complete set each year. This economy is imposed on most xerophytes because they are poorly nourishe
. British plants : their biology and ecology. Plants; Plant ecology. Fig. 6.—Cypress, showing concrescent type of leaf. (Natural Size.) Fig. 7.—Stonecrop (Sedum acre), show- ing Crowded Succulent Leaves. (Natural Size. After Sowerby.) 3. Increase in Longevity.—In this country land-plants which retain their leaves in winter are almost invariably evergreen xeiophytes—, holly, ivy, heath, laurel, box, pine. By increasing the longevity of their leaves, plants are spared the necessity of making a complete set each year. This economy is imposed on most xerophytes because they are poorly nourished, and possess none too much nutriment. 4. Development of Screening Structures, such as hairs, scales, etc., which prevent the wind from removing moist air from the neighbourhood of the stomata—, mullein, 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 Bevis, James Frederick; Jeffery, Henry John. London : A. Rivers
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Keywords: ., bookcentury1900, bookdecade1910, bookpublisher, booksubjectplants
