FIGURES 7–10 in Meristotheca lysonensis sp. nov. (Solieriaceae, Rhodophyta), a new flattened species from Vietnamese waters

FIGURES 7–10. Vegetative structures of Meristotheca lysonensis X.-V. Nguyen, X.-T. Nguyen, Kittle et McDermid, sp. nov. (IONCS210215b). 7. Cross section through the basal part showing the layers of outer layers (white arrow), inner layer cellular cortex (black arrow) and filamentous medulla (arrowhead). 8. Cross section near the apex of a blade. 9. Longitudinal section showing secondary pitconnections (arrowheads) between adjacent medullary cells. 10. Crosswise filaments (arrowhead) transversely arranged in the medullary region.