. Elements of biology; a practical text-book correlating botany, zoology, and human physiology. Biology. FLOWERS 49 Inside the bracts are the whorls of brightly colored, irregular flowers called the ray flowers. They appear to act, in some instances at least, as an attrac- tion to insects by showing a definite color (see the common dogwood, Cornus florida).. 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 Hunter, George Wil
. Elements of biology; a practical text-book correlating botany, zoology, and human physiology. Biology. FLOWERS 49 Inside the bracts are the whorls of brightly colored, irregular flowers called the ray flowers. They appear to act, in some instances at least, as an attrac- tion to insects by showing a definite color (see the common dogwood, Cornus florida).. 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 Hunter, George William, 1873-1948. New York, American book company
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