Goniotrichum humphreyi Collins

• Region

  West Indies

• Country

  Jamaica

• Locality

  St. Ann's Bay, on a sandy beach, on woodwork of a wreck

• Coordinates

  18.4389, -77.199

• Coordinate Uncertainty (m)

  1511.57

• Georeferencing Method

  Georeferencing Quick Reference Guide, Version 2012. Located coordinates of geogr. center of shore of St. Ann’s Bay. Measured from coordinates to farthest extent of the bay to find linear extent (1500 m). Input information into MaNIS Georef. Calc. to find uncertainty radius (Bounded Area).

• Geodetic Datum

  WGS84

• Distribution

  Map all specimens of this taxon

Phycothaca Boreali-Amsricana. Collins, Holden, and Seichell.

42!. Goniotrichum Humphreyi n. sp.

On woodwork of a wreck, on a sandy beach, St. Ann’s Bay, Jamai-
ca, March 24, 1893.

J. E. HUMPHREY.

Frond filamentous, solid, gelatinous, occasionally forking or dividing
iftgo several branches, the terminal portion consisting of a single series
of cells; the older part containing numerous cells, irregularly placed near
the surface of the filament; lateral branches abundant, simple, issuing
nearly at a right angle, composed of a single series of cells.

F. S. COLLINS.

EXPLANATION OF PLATE.

Figure 1, main filament forking ; figure 2, monosiphonous branch issuing
from main filament; figure 3, cross section of main filament; figure 4, main
filament dividing into several smaller branches ; figures 5, 6, and 7, young
filaments, showing various shapes of cells ; figure 8, filament in which the
cells are dividing, and also producing monosiphonous branches.

Figures 1-4 are magnified 160 diameters ; figures 5-7, 400 diameters ;
figure 8, 330 diameters.^