Oscillatoria obtusa 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 obtusa N.L.Gardner

  • Description

    Species Description - Trichomes straight or arcuate, moderately rigid, 23-25 µ diam., bright aeruginous, straight and not attenuated at the apices, or very slightly bent and narrowed in the last two or three cells, terminal wall slightly thickened; cells 4-6 times shorter than the diameter, homogeneous; cross-walls very thin but plainly visible.

    Distribution and Ecology - Growing in a pool in Borinquen Park, Santurce, no. 807, type; in Turabo Iiiver near Caguas, no. 486 a; in a ditch near the Playa, Fajardo, no. 696 e.

  • Discussion

    PLATE 8, FIGURE 73