FIGURE 52–64 in Small diatoms (Bacillariophyta) in cultures from the Styx River, New Zealand, including descriptions of three new species

FIGURE 52–64. Nitzschia palea, strain LCR-S:6:4:1, CHR618410. Scales: Fig. 52, 10 µm; Fig. 61, 5 µm (use for Figs 53–62); Fig. 63, 0.5 µm; Fig. 64, 1 µm. Fig. 52. Live cells viewed by LM. Figs 53–62. Cleaned frustules viewed by LM, showing size variation and raphe canals on opposite margins (Figs 53, 54 are single valves; raphe is visible in Fig. 53). Fig. 63. TEM of cleaned frustule, centre of valve, showing continuous raphe with no central termini.