FIGURES 51–72 in Description of five new species of the diatom genus Luticola (Bacillariophyta, Diadesmidaceae) found in lakes of James Ross Island (Maritime Antarctic Region)

FIGURES 51–72. Luticola permuticopsis Kopalová & Van de Vijver sp. nov. Light (LM) and scanning electron micrographs (SEM). Figs 51–66. LM of type population from Vondra IV lake on James Ross Island to illustrate variation in valve size. Figs 67–68. SEM of external view showing composition of striae and typical raphe structure. Fig. 69. SEM of internal view. Fig. 70. SEM of internal view showing typical central area with distinct siliceous covering around stigma. Fig. 71. SEM of external view of central area. Fig. 72. SEM of detail of deflected raphe endings. LM scale bar = 10 µm. SEM scale bars = 2 µm.