How To Use Midvein In A Sentence

• Interrupted leaves, with an ascidium on a naked prolongation of the midvein, are by no means limited to the _Croton_ varieties. Species and Varieties, Their Origin by Mutation
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• Since the midvein (indicated by an arrowhead) is at the center of the images it is clearly shown that the leaves curl toward their adaxial surface.
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• [673] Likewise we must refrain from a consideration of the physiologic qualities of the tendril, and confine our attention to the combination of a limb, a naked midvein and an ascidium. Species and Varieties, Their Origin by Mutation
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