Inflamed vessels in the web of a frog and plant cells

Plate 3: fig. 27: Inflamed vessels in the web of a frog's foot. fig. 28: Cells of the parenchyma of the petal of the Garden Pansy. fig. 29: Cells of the parenchyma of the petal of Borago. fig. 30: Cells of the parenchyma of a petal of Campanula trachelium.