. Plant life [microform]. Botany; Botanique. riG. 2.—FiNOER-VEiNED LEAVES. The velns are the same in the three leaves, but they differ in the amount to which they are flUed in. technical language, palmate and pinnate). In the finger-like plan the ribs all diverge from a common point, more or less radially. In the feather-like plan the ribs are arranged in oppo- site pairs along the sides of a common line or midrib.^ Yet even these two distinct plans merge into one another by imperceptible de- grees, as you can see if you look at the accom- panying diagram. Now let us take first the finger-vein
. Plant life [microform]. Botany; Botanique. riG. 2.—FiNOER-VEiNED LEAVES. The velns are the same in the three leaves, but they differ in the amount to which they are flUed in. technical language, palmate and pinnate). In the finger-like plan the ribs all diverge from a common point, more or less radially. In the feather-like plan the ribs are arranged in oppo- site pairs along the sides of a common line or midrib.^ Yet even these two distinct plans merge into one another by imperceptible de- grees, as you can see if you look at the accom- panying diagram. Now let us take first the finger-veined type (Fig. 2). Here, if all the interstices of the ribs are fully filled out with cellular tissue, we get a. 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 Allen, Grant, 1848-1899. London : Hodder and Stoughton
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