Anacystis amplivesiculata 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 - Colonies 50-80 µ (up to 150 µ) diam., spherical to irregular in form, free; cells spherical to irregular in outline, not closely congested, 5.2-6 µ diam., bright aeruginous, homogeneous; resting spores with a distinct hyaline, finely papillate Avail, 8-9 µ diam.; tegument opalescent, firm, smooth on the surface, homogeneous throughout the colony, 6-10 µ thick outside of the cells.
Distribution and Ecology - Growing on bark by the road to Monte Montoro, Maricao, no. 1087 a, type, and no. 1088 a; on a church wall at Sabana Grande, no. 962 c.
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Discussion
Anacystis amplivesiculata is a very distinct and beautiful species, with the spherical, bright bluish-green cells set in a clear, opalescent matrix, and with resting spores surrounded by a distinct, hyaline, papillate wall. Frequently the cells of an entire colony divide simultaneously just before spore formation and the spore wall begins to form at the beginning of division.