Gloeocapsa quaternata var. major N.L.Gardner
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Authority
Gardner, Nathaniel L. 1927. New Myxophyceae from Porto Rico. Mem. New York Bot. Gard. 7: 1-144. pl. 1-23.
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Family
Microcystaceae
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Scientific Name
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Description
Species Description - Families composed of 2, more rarely of 4, cells, broadly ellipsoidal, 13-15 µ long, closely crowded together but not confluent; cells 3.5-4.2 µ diam. and 6.7 µ long without tegument, homogeneous, aeruginous; tegument vory distinctly lamellose, hyaline, becoming yellowish brown with age.
Distribution and Ecology - Growing on the wall of an old conservatory, San Juan, no. 131 a, type.
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Discussion
PLATE 3, FIGURE 27
The variety is to be distinguished from the species in having larger and ellipsoidal colonies, in having elongated cells and in having yellowish-brown tegument on the surface of the stratum when aged. The cells are distinctly elongated, a character not, strictly speaking, that of a typical Gloeocapsa, but the cells divide in three planes, thus excluding it from the genus Gloeothece.