FIGURES 59–61. Divergita capillaris from Grunow 839. 59 in Systematics of araphid diatoms with asymmetric rimoportulae or densely packed virgae, with particular attention to Hyalosynedra (Ulnariaceae, Bacillariophyta)

FIGURES 59–61. Divergita capillaris from Grunow 839. 59. Interior view of broken strongly curved valve. 60. Detail of interior apex from same valve as 59. Note obvious expansion of terminus into a capitate or subcaptitate morphology. 61. Exterior detail of apex showing barely perceptibly sunken pore field and decussating areolar pattern. This specimen had a weakly expanded apex.