Scytonema subgelatinosum N.L.Gardner

  • Filed As

    Scytonemataceae
    Scytonema subgelatinosum N.L.Gardner ( paratype )

  • Collector(s)

    J. N. F. Wille 1066, 13 Feb 1915

  • Location

    Puerto Rico. Maricao, on rocks by the road to Monte Montora.

  • Habitat

    On rocks. On rocks.

  • Specimen Notes

    Mounted with the holotype Wille 108 (barcode 00953347), and the paratypes Wille 174 (barcode 00953348), and Wille 1246 (barcode 00953345).

  • Identifiers

    NY Barcode: 00953346

    Occurrence ID: bfb84cdd-d9ae-4e72-b939-f36b327d5874

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    Send comments on this specimen record

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29. Scytontma subcjelatinosimi

Portions of filaments showing, variations in char-
acter of the cells in different parts...................................... x 250

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Scytonema subgelatinosum sp. nov.

Plate 15, figure 29

Filaments erect for the most part, more or less fasciculate,
sparsely branched, about 1 mm. long, 10-13 m diam.; trichomes
clavate at the outer apical end, 3-5 p diam. in the older parts,
6-9 p diam. at the apices; cells up to 24 m long, cylindrical or
slightly d olio form in the middle and older parts, decidedly dolio-
form at the apices in some of the younger filaments, pale aeru-
ginous, homogeneous; cross-walls very inconspicuous; hetero-
cysts of the same size and shape as the cells; sheath relatively
thick, subgelatmous, homogeneous, hyaline; branching mostly
single but some geminate.

Growing on rocks by a water reservoir in Rio Piedras, no.
108, type; on rocks at the Experiment Station, Rio Piedras, uq.
174; on rocks by the road to Monte Montoro, Mariacao, no.
1066; north of Maricao, no. 1246.

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THE NEW YORK BOTANICAL GARDEN

DARIUS OGDEN MILLS FUND

- FRESH WATER ALGAE OF PORTO RICO
COLLECTED BY PROFESSOR N. WILLE
Rio Piedras December 31, 1914

NEW YORK
BOTANIC T

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