. Fundamentals of botany. Botany. Fig. 23.—^Leaf of a live-for- ever (Sedum Sp.), with a por- tion of the epidermis peeled back. Underneath the epi- dermis is the mesophyll. Fig. 24.—Mullein (Verbascum Thap- sus). L, cross-section of leaf-blade, showing relative thickness of layer of epidermal hairs; H, a single hair from a leaf (greatly magnified). of the common lilac, we may readily demonstrate, with the aid of a scalpel or sharp knife, that the surfaces of the blade are covered with a thin skin or epidermis, which may be peeled off (Fig. 23), disclosing the mid-leaf substance (mesophyll), l

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. Fundamentals of botany. Botany. Fig. 23.—^Leaf of a live-for- ever (Sedum Sp.), with a por- tion of the epidermis peeled back. Underneath the epi- dermis is the mesophyll. Fig. 24.—Mullein (Verbascum Thap- sus). L, cross-section of leaf-blade, showing relative thickness of layer of epidermal hairs; H, a single hair from a leaf (greatly magnified). of the common lilac, we may readily demonstrate, with the aid of a scalpel or sharp knife, that the surfaces of the blade are covered with a thin skin or epidermis, which may be peeled off (Fig. 23), disclosing the mid-leaf substance (mesophyll), lying between the upper and the lower epidermis. In many leaves (for example, those of. 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 Gager, C. Stuart (Charles Stuart), 1872-1943. Philadelphia, P. Blakiston's son & co.

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Keywords: ., bookauthorgag, bookcentury1900, bookdecade1910, booksubjectbotany