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"A, Upper epidermis; B, lower epidermis, of the fern, Drynaria meyeniana." -Gager, 1916

Fern Epidermis

"A, Upper epidermis; B, lower epidermis, of the fern, Drynaria meyeniana." -Gager, 1916

The longleaf pine commonly found in the South Atlantic and Gulf States. The leaves are 9 to 12 inches long.

Longleaf Pine (Pinus palustris Mill.). Two-thirds natural size. epidermis of leaf (magnified)

The longleaf pine commonly found in the South Atlantic and Gulf States. The leaves are 9 to 12 inches…