Note 12 — Chapter III · THE MORPHOLOGICAL COMPOSITION OF PLANTS, CONTINUED.
Reading edition
Since this paragraph was put in type [this refers to the first edition], I have observed that in some varieties of Cineraria, as probably in other plants, a single individual furnishes all these forms of leaves—all gradations between unstipulated leaves on long petioles, and leaves that embrace the axis. It may be added that the distribution of these various forms is quite in harmony with the rationale above given.