Benthic Algae — DAWSON 
401 
Sargassum zacae Setchell 
Taylor, 1945 
Galapagos Arch. 
. PHYLUM RHODOPHYCOPHYTA 
class RHODOPHYCEAE 
subclass B ANGIOPH Y CID AE 
order GONIOTRICHALES 
fam. GONIOTRICHACEAE 
Goniotrichutn cornu-cervi (Reinsch) Hauck 
Scagel, 1957 
Friday Harbor, Wash.; Santa Cruz L, Calif. 
Goniotrichutn elegans (Chauvin) Zanardini 
Taylor, 1945 (as G . alsidii ); Dawson, 1954, 
1957 h; Scagel, 1957 
Friday Harbor, Wash., to Isla Gorgona, Co- 
lombia 
Goniotrichopsis sublittoralis G. M. Smith 
Smith, 1944 
Monterey, Calif. 
order BANGIALES 
fam. ERYTHROPELTIDACEAF 
Smith or a naiadum (Anderson) Hollenberg 
Hollenberg, 1959; Dawson, Neushul & Wild- 
man, I960; Dawson, 1949$ (as Porphyra 
naiadum ) ; Scagel, 1957 (as Porphyra nai- 
adum ); Dawson, 1954 (as Porphyra nai- 
adum var. australis ), 1959c (as Porphyra 
naiadum ) 
Northern British Columbia to Isla Magdalena, 
Baja Calif. 
Erythropeltis discigera ( Berthold ) Schmitz 
Dawson, 1954 
Isla Tiburon, Gulf of Calif. 
Erythrotrichia ascendens Dawson 
Dawson, 1954 
Cabo Pulmo, southern Gulf of Calif. 
Erythrotrichia biseriata Tanaka 
Dawson, 1954, 1954c 
Islas San Benito; Punta Abreojps, Baja Calif.; 
Gulf of Calif, to Mazatlan, Sinaloa; Isla 
San Benedicto, Revillagigedo Arch. 
Erythrotrichia boryana (Montague) Berthold 
Dawson, 1954 
Punta Baja to Bahia Asuncion, Baja Calif. 
Erythrotrichia calif ornica Kylin 
Smith, 1944; Dawson, 1954 
Monterey, Calif.; Ensenada, Baja Calif.; Isla 
Tiburon, Gulf of Calif. 
Erythrotrichia carnea (Dillwyn) J. Agardh 
Smith, 1944; Dawson, 1954, 1957 b, 1959 h 
Monterey, Calif., to Golfo Duke, Costa Rica; 
Clipperton I. 
Erythrotrichia ciliaris (Carmichael) Batters 
Dawson, 1954 
Punta Baja; Isla Cedros, Baja Calif. 
Erythrotrichia kylinii Gardner 
Scagel, 1957 
Bering Sea to Puget Sound, Wash. 
Erythrotrichia parksii Gardner var. parksii 
Gardner, 1927 
Eureka, Calif. 
Erythrotrichia parksii var. minor Gardner 
Scagel, 1957 
Southern British Columbia to northern Wash. 
Erythrotrichia polymorpha Howe 
Taylor, 1945 
Galapagos Arch. 
Erythrotrichia porphyroides Gardner 
Gardner, 1927 
San Francisco, Calif. 
Erythrotrichia pulvinata Gardner 
Doty, 1947; Hollenberg, 1948; Dawson, 1954 
Middle Bay, Oreg., to Bahia Asuncion, Baja 
Calif. 
