"Cross section of yellow poplar wood. E, early; L, late growth; m, medullary ray." -Stevens, 1916

Yellow Poplar Wood

"Cross section of yellow poplar wood. E, early; L, late growth; m, medullary ray." -Stevens, 1916

"Showing pitted connections between medullary rays and xylem parenchyma, and between contiguous xylem parenchyma cells. m, medullary rays; n, xylem parenchyma. Camera-lucida drawing of tangential section of wood of yellow poplar." -Stevens, 1916

Yellow Poplar Wood

"Showing pitted connections between medullary rays and xylem parenchyma, and between contiguous xylem…