Plate I. Figs 1-7: Cyanophytes.
Fig. 1: Lyngbya sp. 1, scale = 27µm. Fig. 2: Lyngbya sp. 3, scale = 25µm. Fig. 3: Lyngbya sp. 2, scale = 50µm. Fig. 4: Calothrix confervicola habit, scale = 100µm. Fig. 5: C. confervicola, trichomes showing numerous intercalary heterocytes, scale = 25µm. Fig. 6: Schizothrix cf. tenerrima, scale = 12µm. Fig. 7. Calothrix crustacea, showing false (Scytonema-like) branching, scale = 12.5 µm