peridium_color_brown
brown
peridial epicutis up to 300 um thick of radial rows of subrectangular cells 8-18 x 10-40 um with red-brown walls thickened to often completely filling the cell cells readily separable peridial subcutis i100 um thick of cells similarly aligned and of similar size and shape but with brown-yellow walls 2-5 um thick
Balsamia nigrens
Balsamia nigrans