. Botany of the southern states. In two parts. Botany. 56 LEAVES. No matter how much the lamina may be divided, if the divi- sions are not articulated to a common petiole, the leaf is simple; and if the lamina is not divided at all, but articulated to the petiole, the leaf is compound, as in the Orange. The principle of formation of this class of leaves will be readily understood by the above explanation of simple leaves. 941 All compound leaves may be reduced to two varieties, corresponding to the feather-veined and radiated forms of retic- ulated leaves. If we recur to the feather-veined lea
. Botany of the southern states. In two parts. Botany. 56 LEAVES. No matter how much the lamina may be divided, if the divi- sions are not articulated to a common petiole, the leaf is simple; and if the lamina is not divided at all, but articulated to the petiole, the leaf is compound, as in the Orange. The principle of formation of this class of leaves will be readily understood by the above explanation of simple leaves. 941 All compound leaves may be reduced to two varieties, corresponding to the feather-veined and radiated forms of retic- ulated leaves. If we recur to the feather-veined leaf given above, and conceive each of the primary veins with the secondary veins belonging to it, to form a distinct lamina, we should have a true type of the Pinnate leaf, as exhibited in the Vicia, Pea, &c, and by the continuation of the petiole we have the ten- dril (Fig. 85); and by continuing our supposed dissection of the Chestnut, and conceiving not only each primary vein as being Fig. 85. Fig. 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 Darby, John, 1804-1877. [from old catalog]. New York, A. S. Barnes & co.
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Keywords: ., bookcentury1800, bookdecade1860, booksubjectbotany, bookyear1866
