Oscillatoria granulata N.L.Gardner

  • Authority

    Gardner, Nathaniel L. 1927. New Myxophyceae from Porto Rico. Mem. New York Bot. Gard. 7: 1-144. pl. 1-23.

  • Family

    Oscillatoriaceae

  • Scientific Name

    Oscillatoria granulata N.L.Gardner

  • Description

    Species Description - Plants not forming a distinct stratum, but interspersed among other algae; trichomes relatively long and flexuous, neither constricted nor attenuated, 3.4r-3.8 µ diam.; cells for the most part quadrate, conspicuous by the presence of granules at the distinct cross-walls; apical cells blunt, end wall slightly thickened.

    Distribution and Ecology - In a pool at the Park, Santurce, no. 51 b, type.

  • Discussion

    PLATE 8, FIGURE 71

    The species is especially marked by the large granules crowded at the cross-walls. In mature specimens even the terminal walls have them. The terminal wall is not very conspicuously thickened.