Gloeothece prototypa N.L.Gardner

• Region

  West Indies

• Country

  Puerto Rico

• Locality

  Arecibo to Hatillo, on limestone

• Coordinates

  18.4214, -66.7315

• Distribution

  Map all specimens of this taxon

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THE NEW YORK BOTANICAL GARDEN

DARIUS OGDEN MILLS FUND

NEW YORK FRESH WATER ALGAE OF PORTO RICt
BOTAN ICAR COLLECTED by professor n. wille I TYPE
CARDEN Arecibo to Hatillo February 27, 19T

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NEW YORK BOTANICAL GARDEN

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by Francis Drouet

GARDEN

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27, 1915

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BOTANICAL
CARDEN

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Gloeothece prototypa sp. nov.

Plate 3, figure 32

Families floating free, congregated into small masses, or
forming a continuous stratum, composed of 2-4 cells, very abun-
dantly existing as single cells, those of 4 cells 7-8 n diam.; cells
cylindrical, 0.8—1.2 m diam., 2-3 m long, pale aeruginous; tegu-
ment very nearly colorless, homogeneous, about equal in diam.
to the cells.

Growing on limestone, between Hatillo and Arecibo, no.
1377 a, type, and no. 1378 a; on a water pipe near a stream,
Maricao, no. 1147 a; on limestone at Hato Arriba, Arecibo, no.
1407 b; and between Arecibo and Utuado, no. 1481 a.

This is a very diminutive species of Gloeotliece, when young
appearing with but very little tegument, and that almost trans-
parent. It finally develops a visible sheath or tegument, which
combines 2-4 cells, very rarely more, into small families, where
it has the typical Gloeothece character and resembles, to a less
degree, certain Bacteria.

32. Gloeothece prototypa

A group of typical cells and colonies..

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Determined by Francis Drouet and William A. Daily

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