Figure 1.
Anatomical features of the strains. E. gracilis wild type (A) with chloroplasts and normal PAB and stigma (S). Mutant strain FB (B) without chloroplasts and smaller than normal PAB and stigma. Astasia longa wild type and E. gracilis mutant strains 1F and 9F (C) also without chloroplasts and no detectable PAB and stigma.
