Monographs Details: Tolypothrix papyracea N.L.Gardner
Authority: Gardner, Nathaniel L. 1927. New Myxophyceae from Porto Rico. Mem. New York Bot. Gard. 7: 1-144. pl. 1-23.
Description:Species Description - Filaments woven into a very firm, dense, thin stratum, relatively short, 6-7 µ diam.; trichomes 3.6-4 µ diam., of uniform diameter throughout their entire length except 1-3 cells at the apices, slightly attenuated, constricted at the dissepiments; cells quadrate when in rapid division, 3-4 times as long as the diameter in the mature parts of the trichome, bright aeruginous, homogeneous, or with a few fine granules; cross-walls conspicuous; heterocysts sparse, cylindrical, diameter slightly greater than the trichome; sheath thin, firm, smooth, hyaline; branches erect.

Distribution and Ecology - Habitat and exact locality not given. Collected by Dr. Walter C. Earle in the vicinity of Manati, Porto Rico.

Discussion:PLATE 20, FIGURE 47