Diagram of a mesophyll cell of a leaf: c, chloroplast; n, nucleus; v, vacuole; w, cell wall.

Plant Cell

Diagram of a mesophyll cell of a leaf: c, chloroplast; n, nucleus; v, vacuole; w, cell wall.

"Leaf of a live-forever (Sedum sp.), with a portion of the epidermis peeled back. Underneath the epidermis is the mesophyll." -Gager, 1916

Sedum Leaf

"Leaf of a live-forever (Sedum sp.), with a portion of the epidermis peeled back. Underneath the epidermis…