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Pictured are (1) strengthening cells, (2), internal ducts, (3) chlorophyll bearing cells, (4) bundle sheath, (5) fibro-vascular bundles, and (6) stomata of the pinus coulteri leaf.

Transverse Section of Pinus Coulteri Leaf

Pictured are (1) strengthening cells, (2), internal ducts, (3) chlorophyll bearing cells, (4) bundle…

Pinus is a genus of hardy, evergreen trees. Pictured are the strengthening cells (1), ducts surronded by strengthening cells (2), wavy chlorophylla bearing cells (3), bundle sheath (4), fibro-vascular bundle (5), stomata (6), and internal duct (7).

Transverse Section of Pinus Excelsa Leaf

Pinus is a genus of hardy, evergreen trees. Pictured are the strengthening cells (1), ducts surronded…

Shown are the strengthening cells (1), ducts (2), wavy, chlorophyll bearing cells (3), bundle sheath (4), fibro-vascular bundles (5), and stomata (6).

Transverse Section of Pinus Sylvestris Leaf

Shown are the strengthening cells (1), ducts (2), wavy, chlorophyll bearing cells (3), bundle sheath…