Marine Algae from Eniwetok — Dawson 
112. Trichomes 5 jx or more in diameter. 114 
113. Plant body a light colored, cushion- 
shaped form ....................... 
........ Phormidium (crosbyanum) 
113. Plant body a dark colored stratum. . . . 
........... Symploca (laete-viridis) 
114. Plant body an erect, spongy, brush-like 
tuft ......... Symploca (muscorum) 
114. Plant body a loose, soft group of short, 
gelatinous strings .................. 
...... .Phormidium (penicillatum) 
115. Apical cell blunt-conical. . Sdhizothrix 
115. Apical cell acutely conical ........... 
...................... Microcoleus 
SYSTEMATIC LIST 
GREEN ALGAE 
Enteromorpha acanthophora Kiitzing? 
D. 13920a. A few small bits of uncertain 
identity. 
Enteromorpha clathrata (Roth) J. Agardh; Daw- 
son 1954: 384, fig. 6d, e; Dawson 1956: 27 
D. 13961. 
Enteromorpha intestinalis (Linnaeus) Link; Daw- 
son 1954: 383, fig. 6c 
D. 13917. 
Enteromorpha kylinii Eliding; Dawson 1954: 
384, fig. 5; Dawson 1956: 27 
D. 13826. P. 2846, Bokanjoio Is. boat pass- 
age at 6 ft., 9/30/54. 
Enteromorpha ralfsii Harvey; Dawson 1956: 
27, fig. 2 
D. 13792, 14024. P. 1187, Bokanjoio Is. 
tide flats, 4/14/54; P. 2849, Bokanjoio Is. 
seaward tide flats, 9/29/54; P. 18150, Runo 
Is. tide flat pool, 2/10/55. 
Enteromorpha tuhulosa (Kiitzing) Kiitzing; 
Dawson 1954: 384, fig. 6a, b 
D. 13920. 
101 
Valonia aegagropila C. Agardh; Dawson 1954: 
388, fig. 8j; Dawson 1956: 28; Taylor 
1950:41 
D. 13610, 13736, 13930, 14039. 
Valonia fastigiata Harvey ex J. Agardh 1887: 
101 (Ceylon) 
Fig. 1 
P. 29x, Mui Is. seaward tide flats under 
rocks in large clumps, 3/11/54. 
This compares well with the species as 
understood by Egerod (1952) and with 
Kanda’s fig. 9-A (1944) of a plant from Koror. 
Valonia utricularis (Roth) C. Agardh ; Dawson 
1956: 28, fig. 3 
P. 7, Rigili Is. under rocks, 8/10/49; P. 
2836c, Parry Is. seaward reef edge, 4/4/54. 
Valonia ventricosa J. Agardh ; Dawson 1954: 
388, fig. 8e; Dawson 1956: 28 
D. 13751, 13927, 14002. 
Fig. 1. Valonia fastigiata : Habit of part of a plant of 
P. 29x, X 2.5. 
