Monographs Details: Chroococcus aeruginosus 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:Chroococcaceae
Description:Species Description - Families composed of 2-4 or more cells, spread out in a thin stratum among the filaments of other algae, and closely crowded together; families of four 8-10 µ diam.; single cells spherical, 3.8-4.8 µ diam. without tegument, bright aeruginous, homogeneous, decidedly angular in the family; tegument thin, hyaline, homogeneous.

Distribution and Ecology - Growing among the filaments of other Myxophyceae, principally Phormidium, on wood by Hot Springs, Coamo Springs, no. 382 a, type.

Discussion:

PLATE 2, FIGURE 16

The cells are so closely crowded in the families, and the families are so close together it is difficult to state just how many cells constitute a family, probably never over eight.